Home / 7,584.16-11,379-2,654.54

Finding the Fourth Proportional to 7,584.16, 11,379 and 2,654.54

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Solution

The fourth proportional to 7,584.16, 11,379 and 2,654.54 is: 3,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.16 : 11,379 = 2,654.54 : x
  2. Step 2: Convert to fraction form
    7,584.16/11,379 = 2,654.54/x
  3. Step 3: Cross multiply
    7,584.16x = 11,379 × 2,654.54
  4. Step 4: Simplify right side
    7,584.16x = 30,206,010.66
  5. Step 5: Solve for x
    x = 30,206,010.66/7,584.16
  6. Step 6: Final answer
    x = 3,982.78

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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.