Home / 7,372.80-11,052.72-3,481.92

Finding the Fourth Proportional to 7,372.80, 11,052.72 and 3,481.92

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Solution

The fourth proportional to 7,372.80, 11,052.72 and 3,481.92 is: 5,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.80 : 11,052.72 = 3,481.92 : x
  2. Step 2: Convert to fraction form
    7,372.80/11,052.72 = 3,481.92/x
  3. Step 3: Cross multiply
    7,372.80x = 11,052.72 × 3,481.92
  4. Step 4: Simplify right side
    7,372.80x = 38,484,686.82
  5. Step 5: Solve for x
    x = 38,484,686.82/7,372.80
  6. Step 6: Final answer
    x = 5,219.82

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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.