Home / 7,456.91-11,171.52-3,750.20

Finding the Fourth Proportional to 7,456.91, 11,171.52 and 3,750.20

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Solution

The fourth proportional to 7,456.91, 11,171.52 and 3,750.20 is: 5,618.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.91 : 11,171.52 = 3,750.20 : x
  2. Step 2: Convert to fraction form
    7,456.91/11,171.52 = 3,750.20/x
  3. Step 3: Cross multiply
    7,456.91x = 11,171.52 × 3,750.20
  4. Step 4: Simplify right side
    7,456.91x = 41,895,420.34
  5. Step 5: Solve for x
    x = 41,895,420.34/7,456.91
  6. Step 6: Final answer
    x = 5,618.33

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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.