Home / 5,572.52-7,686.42-3,579.92

Finding the Fourth Proportional to 5,572.52, 7,686.42 and 3,579.92

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Solution

The fourth proportional to 5,572.52, 7,686.42 and 3,579.92 is: 4,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.52 : 7,686.42 = 3,579.92 : x
  2. Step 2: Convert to fraction form
    5,572.52/7,686.42 = 3,579.92/x
  3. Step 3: Cross multiply
    5,572.52x = 7,686.42 × 3,579.92
  4. Step 4: Simplify right side
    5,572.52x = 27,516,768.69
  5. Step 5: Solve for x
    x = 27,516,768.69/5,572.52
  6. Step 6: Final answer
    x = 4,937.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.