Question

if a:b::c:d,then d is called the fourth proportional to a,b,c.​

Answer 1

Answer:

If a:b :: c:d or in other words a:b = c: d, then the quantity 'd' is what we call the fourth proportional to a, b and c. For example, if we have 2, 3 and 4, 5 are in the proportion such that 2 and 5 are the extremes, then 5 is the fourth proportional to 2, 3, and 4.

Step-by-step explanation:

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