The first, second and third terms in a proportion are 51,85 and 57. Find the fourth term.
Answers
Given :- The first, second and third terms in a continue proportion are 51,85 and 57. Find the fourth term. ?
Solution :-
Let us assume that, the fourth term is x .
then,
→ 51 : 85 :: 57 : x .
→ Product of means = Product of extremes .
→ 51 * x = 85 * 57
→ 17 * 3 * x = 17 * 5 * 19 * 3
dividing both sides by 17,
→ 3x = 5 * 19 * 3
dividing both sides by 3 now,
→ x = 95 .
Hence, Fourth term is 95 .
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Answer:
Given :- The first, second and third terms in a continue proportion are 51,85 and 57. Find the fourth term. ?
Solution :-
Let us assume that, the fourth term is x .
then,
→ 51 : 85 :: 57 : x .
→ Product of means = Product of extremes .
→ 51 * x = 85 * 57
→ 17 * 3 * x = 17 * 5 * 19 * 3
dividing both sides by 17,
→ 3x = 5 * 19 * 3
dividing both sides by 3 now,
→ x = 95 .
Hence, Fourth term is 95 .
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