The fourth proportional to 5, 8, 15 is:
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Answered by
8
Let the number be x
So,5::8:15:x
5/8=15/x
5x=15/8
5x=120
x=120/5
So x=24
The Fourth proportion to 5,8,15 is 24
So,5::8:15:x
5/8=15/x
5x=15/8
5x=120
x=120/5
So x=24
The Fourth proportion to 5,8,15 is 24
Answered by
15
Let the fourth proportional be x
5:8 :: 15:x
→5/8 = 15/x
→5x = 15×8
→5x = 120
→ x = 120/5
→ x = 24
Therefore,the fourth proportional to 5,8,15 is 24
5:8 :: 15:x
→5/8 = 15/x
→5x = 15×8
→5x = 120
→ x = 120/5
→ x = 24
Therefore,the fourth proportional to 5,8,15 is 24
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