Home / 5,812.40-8,712.66-3,726.38

Finding the Fourth Proportional to 5,812.40, 8,712.66 and 3,726.38

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Solution

The fourth proportional to 5,812.40, 8,712.66 and 3,726.38 is: 5,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.40 : 8,712.66 = 3,726.38 : x
  2. Step 2: Convert to fraction form
    5,812.40/8,712.66 = 3,726.38/x
  3. Step 3: Cross multiply
    5,812.40x = 8,712.66 × 3,726.38
  4. Step 4: Simplify right side
    5,812.40x = 32,466,681.97
  5. Step 5: Solve for x
    x = 32,466,681.97/5,812.40
  6. Step 6: Final answer
    x = 5,585.76

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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.