Home / 7,562.52-11,341.56-3,179.88

Finding the Fourth Proportional to 7,562.52, 11,341.56 and 3,179.88

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Solution

The fourth proportional to 7,562.52, 11,341.56 and 3,179.88 is: 4,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.52 : 11,341.56 = 3,179.88 : x
  2. Step 2: Convert to fraction form
    7,562.52/11,341.56 = 3,179.88/x
  3. Step 3: Cross multiply
    7,562.52x = 11,341.56 × 3,179.88
  4. Step 4: Simplify right side
    7,562.52x = 36,064,799.81
  5. Step 5: Solve for x
    x = 36,064,799.81/7,562.52
  6. Step 6: Final answer
    x = 4,768.89

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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.