Home / 5,175.36-7,761.60-3,710.16

Finding the Fourth Proportional to 5,175.36, 7,761.60 and 3,710.16

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Solution

The fourth proportional to 5,175.36, 7,761.60 and 3,710.16 is: 5,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.36 : 7,761.60 = 3,710.16 : x
  2. Step 2: Convert to fraction form
    5,175.36/7,761.60 = 3,710.16/x
  3. Step 3: Cross multiply
    5,175.36x = 7,761.60 × 3,710.16
  4. Step 4: Simplify right side
    5,175.36x = 28,796,777.86
  5. Step 5: Solve for x
    x = 28,796,777.86/5,175.36
  6. Step 6: Final answer
    x = 5,564.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.