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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fourth group
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fourth group" is correct and usable in written English.
It can be used to refer to a specific category or classification that is the fourth in a sequence or list. Example: "In the study, participants were divided into four groups, and the fourth group received a different treatment than the others."
✓ Grammatically correct
Science
News & Media
Formal & Business
Encyclopedias
Academia
Wiki
Alternative expressions(6)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
The fourth group (Group 4) consisted only of T. fisheri.
Science
The fourth Group D did not receive any MSM (control group).
Science
The fourth group was the control.
A fourth group ate their normal diet.
News & Media
A fourth group created virtual light sabers.
News & Media
Meanwhile, a fourth group prepared lunch.
News & Media
A fourth group of animals served as Sham controls.
Science
A fourth group, continuing clopidogrel, served as control (G4).
A fourth group, the control, did not exercise.
News & Media
Members of the fourth group are called Trojan asteroids.
Encyclopedias
Now there appears to be a fourth group: Armstrong.
News & Media
Expert writing Tips
Best practice
When using the term "fourth group", ensure that the context clearly establishes the existence of at least three preceding groups to avoid ambiguity.
Common error
Avoid misnumbering when referring to the "fourth group". Ensure that all groups are sequentially numbered and that the "fourth group" is indeed the fourth in the established sequence.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fourth group" primarily functions as a noun phrase, identifying a specific entity within a sequence or classification. Ludwig AI confirms its usability in written English. Examples from Ludwig show its use in diverse fields.
Frequent in
Science
36%
News & Media
32%
Encyclopedias
8%
Less common in
Formal & Business
7%
Academia
5%
Wiki
2%
Ludwig's WRAP-UP
The phrase "fourth group" is a grammatically sound and commonly used term to denote a specific set or category in a sequence. Ludwig AI confirms its general acceptability. Its usage spans various contexts, including science, news, and formal business settings, indicating its versatility. While semantically similar phrases like "fourth set" or "group number four" exist, the original phrase remains a clear and effective choice. When employing this phrase, ensure the sequence is clearly established and correctly numbered.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
group number four
This alternative simply rephrases the original by changing the order of the words while retaining the exact meaning.
the fourth set
Replaces "group" with "set", suggesting a collection or arrangement of items, which is a close synonym.
the fourth category
Substitutes "group" with "category", implying a classification rather than a collective.
the fourth division
Replaces "group" with "division", suggesting a separation or segment within a larger entity.
the fourth cluster
Uses "cluster" instead of "group", implying a collection of similar items grouped together.
the fourth team
If the context is team related, it replaces "group" with "team", indicating a collaborative unit.
the fourth contingent
Replaces "group" with "contingent", suggesting a group united by a common characteristic or mission.
the fourth cohort
Uses "cohort" instead of "group", often used in academic or research contexts to denote a group of individuals.
the fourth classification
Replaces group with classification, focusing on the act of categorization.
section four
Indicates a particular segment or part within a larger document or structure.
FAQs
How can I use "fourth group" in a sentence?
You can use "fourth group" to refer to a specific set or category in a sequence, as in "The participants were divided into four groups, and the "fourth group" received a placebo".
What is another way to say "fourth group"?
Alternatives include "fourth set", "fourth category", or "group number four", depending on the context.
Is it correct to say "the fourth group" or "group four"?
Both "the fourth group" and "group four" are grammatically correct, but "the fourth group" is generally more common in formal writing. In contrast, group four may be used depending on the context.
In what contexts is the term "fourth group" commonly used?
The term "fourth group" is commonly used in scientific research, statistical analysis, project management, and organizational structuring. Examples: In study participants were divided into four groups, where "fourth group" was administered a placebo.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested