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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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as a constant proportion

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "as a constant proportion" is correct and usable in written English.
It can be used in contexts involving ratios, percentages, or comparisons that remain unchanged over time or across different scenarios. Example: "The budget allocation for each department will be maintained as a constant proportion of the total revenue."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The demise of this deal — known as a constant proportion debt obligation is emblematic of what is happening to the financial system in the credit collapse of 2007.

News & Media

The New York Times

A government sector is introduced in the following way: it taxes capital and labor incomes with the same tax code, capital depreciation is completely deductible, and tax revenues are used to finance an exogenous stream of public expenditure, (G_t ), which (for the sake of analytical convenience) is expressed as a constant proportion, (gamma >0), of aggregate output (i.e. (G_t =gamma Y_t)).

Science

SERIEs

A gender effect was fitted as a constant proportion across all gestations, using a log link.

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Adjusted Ebitda remained at a constant proportion of revenues: $160 million, or 25% of revenue, versus $117 million for Q1 2014, also 25% of revenue.

News & Media

TechCrunch

If the probability of removal of these reparative cells due to cell division is constant over time, the reparative reserve is lost at a constant proportion with age.

If the same samples were all to compete against a more fit clone isolated from later in the experiment (instead of against the ancestor), then their relative fitness values should shift down by a constant proportion, as shown in Figure 2A.

Europe, the most central (as measured by weighted eigenvector centrality), showed a constant proportion of bandwidth directed within the continent over the period.

Those suffering myocardial infarction within 24 hours made up a constant proportion of isolated CABG as emergency after PCI (3,352 of 1,042,864; 0.3%) since 1997.

The number of fleas collected from the host was assumed to be a constant proportion of the flea reservoir within rodent burrows, as was reported for other rodents including gerbils of the same genus, Gerbillus [16], [33].

Science

Plosone

On the contrary, lower levels of population differentiation can be considered as the effect of balancing selection that tends to maintain a constant proportion of alleles across all populations [5].

Science

Plosone

This method does not require a constant rate of sedimentation of ionium but simply that the two isotopes are precipitated in a constant proportion.

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Expert writing Tips

Best practice

When using "as a constant proportion", ensure that the context clearly establishes what two or more things are being compared and that their relationship remains unchanging throughout the discussion.

Common error

Avoid using "as a constant proportion" when the relationship between the entities is not strictly constant, but only generally proportional. If the relationship fluctuates, even slightly, a more nuanced phrase like "generally proportional" or "mostly constant" may be more appropriate.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "as a constant proportion" functions as a prepositional phrase that modifies a verb or noun. It indicates that a quantity or relationship is maintained at a fixed ratio or percentage. Ludwig AI confirms the phrase’s usability.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

33%

Academia

33%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "as a constant proportion" serves to denote a stable, unchanging relationship between two or more elements, typically in a quantifiable manner. According to Ludwig AI, the phrase is valid and best suited for formal contexts, particularly in scientific, academic, and journalistic writing. While grammatically correct, its relatively low frequency suggests that simpler alternatives, such as "at a fixed percentage" or "in a stable ratio", might be preferred in more general contexts. When utilizing this phrase, clarity in expressing the specific entities involved is crucial to avoid ambiguity.

FAQs

How can I use "as a constant proportion" in a sentence?

You can use "as a constant proportion" to describe a ratio or percentage that remains the same over time or across different conditions. For example: "The budget allocation for research was maintained as a constant proportion of the total expenditure."

What is an alternative to "as a constant proportion"?

Alternatives include "at a fixed percentage", "in a stable ratio", or "as a consistent fraction", depending on the specific context.

Is it correct to say "as a constant proportion" in formal writing?

Yes, "as a constant proportion" is suitable for formal writing, particularly in scientific, academic, and business contexts where precise relationships are being described.

What is the difference between "as a constant proportion" and "directly proportional"?

"As a constant proportion" implies a specific, unchanging ratio, while "in direct proportion" simply means that two quantities increase or decrease together, but not necessarily at a fixed ratio.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: