5. If 27 : 72 :: X:8, find the value of x.
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Step-by-step explanation:
Given:-
27 : 72 :: X:8
To find:-
If 27 : 72 :: X:8, find the value of x.
Solution:-
Given proportion is 27:72::X:8
We have , Means = 72 and X
Product of means = 72×X = 72X
Extremes = 27 and 8
Product of extremes = 27 × 8 = 216
In proportion, The product of extremes= The product of means
=>72X = 216
=>X = 216/72
=>X = 3×72/72
=>X = 3
Therefore, X = 3
Answer:-
The value of X for the given problem is 3
Check:-
27:72::3:8
Product of extremes= 27×8=216
Product of means=72×3=216
Used formula:-
In proportion The product of extremes is equal to the product of means
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