Home / 5,687.31-8,532.12-2,400.39

Finding the Fourth Proportional to 5,687.31, 8,532.12 and 2,400.39

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Solution

The fourth proportional to 5,687.31, 8,532.12 and 2,400.39 is: 3,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.31 : 8,532.12 = 2,400.39 : x
  2. Step 2: Convert to fraction form
    5,687.31/8,532.12 = 2,400.39/x
  3. Step 3: Cross multiply
    5,687.31x = 8,532.12 × 2,400.39
  4. Step 4: Simplify right side
    5,687.31x = 20,480,415.53
  5. Step 5: Solve for x
    x = 20,480,415.53/5,687.31
  6. Step 6: Final answer
    x = 3,601.07

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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.