Home / 5,086.32-7,621.14-3,132.96

Finding the Fourth Proportional to 5,086.32, 7,621.14 and 3,132.96

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Solution

The fourth proportional to 5,086.32, 7,621.14 and 3,132.96 is: 4,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.32 : 7,621.14 = 3,132.96 : x
  2. Step 2: Convert to fraction form
    5,086.32/7,621.14 = 3,132.96/x
  3. Step 3: Cross multiply
    5,086.32x = 7,621.14 × 3,132.96
  4. Step 4: Simplify right side
    5,086.32x = 23,876,726.77
  5. Step 5: Solve for x
    x = 23,876,726.77/5,086.32
  6. Step 6: Final answer
    x = 4,694.30

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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.