Home / 5,687.20-8,531.95-2,400.29

Finding the Fourth Proportional to 5,687.20, 8,531.95 and 2,400.29

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Solution

The fourth proportional to 5,687.20, 8,531.95 and 2,400.29 is: 3,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.20 : 8,531.95 = 2,400.29 : x
  2. Step 2: Convert to fraction form
    5,687.20/8,531.95 = 2,400.29/x
  3. Step 3: Cross multiply
    5,687.20x = 8,531.95 × 2,400.29
  4. Step 4: Simplify right side
    5,687.20x = 20,479,154.27
  5. Step 5: Solve for x
    x = 20,479,154.27/5,687.20
  6. Step 6: Final answer
    x = 3,600.92

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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.