Home / 3,931.91-5,897.87-1,158.59

Finding the Fourth Proportional to 3,931.91, 5,897.87 and 1,158.59

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Solution

The fourth proportional to 3,931.91, 5,897.87 and 1,158.59 is: 1,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.91 : 5,897.87 = 1,158.59 : x
  2. Step 2: Convert to fraction form
    3,931.91/5,897.87 = 1,158.59/x
  3. Step 3: Cross multiply
    3,931.91x = 5,897.87 × 1,158.59
  4. Step 4: Simplify right side
    3,931.91x = 6,833,177.92
  5. Step 5: Solve for x
    x = 6,833,177.92/3,931.91
  6. Step 6: Final answer
    x = 1,737.88

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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.