Home / 5,660.47-8,487.97-2,372.68

Finding the Fourth Proportional to 5,660.47, 8,487.97 and 2,372.68

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Solution

The fourth proportional to 5,660.47, 8,487.97 and 2,372.68 is: 3,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.47 : 8,487.97 = 2,372.68 : x
  2. Step 2: Convert to fraction form
    5,660.47/8,487.97 = 2,372.68/x
  3. Step 3: Cross multiply
    5,660.47x = 8,487.97 × 2,372.68
  4. Step 4: Simplify right side
    5,660.47x = 20,139,238.77
  5. Step 5: Solve for x
    x = 20,139,238.77/5,660.47
  6. Step 6: Final answer
    x = 3,557.87

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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.