Home / 5,687.31-8,531.27-1,792.02

Finding the Fourth Proportional to 5,687.31, 8,531.27 and 1,792.02

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Solution

The fourth proportional to 5,687.31, 8,531.27 and 1,792.02 is: 2,688.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.31 : 8,531.27 = 1,792.02 : x
  2. Step 2: Convert to fraction form
    5,687.31/8,531.27 = 1,792.02/x
  3. Step 3: Cross multiply
    5,687.31x = 8,531.27 × 1,792.02
  4. Step 4: Simplify right side
    5,687.31x = 15,288,206.47
  5. Step 5: Solve for x
    x = 15,288,206.47/5,687.31
  6. Step 6: Final answer
    x = 2,688.13

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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.