Home / 5,501.13-8,245.49-2,729.78

Finding the Fourth Proportional to 5,501.13, 8,245.49 and 2,729.78

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Solution

The fourth proportional to 5,501.13, 8,245.49 and 2,729.78 is: 4,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.13 : 8,245.49 = 2,729.78 : x
  2. Step 2: Convert to fraction form
    5,501.13/8,245.49 = 2,729.78/x
  3. Step 3: Cross multiply
    5,501.13x = 8,245.49 × 2,729.78
  4. Step 4: Simplify right side
    5,501.13x = 22,508,349.74
  5. Step 5: Solve for x
    x = 22,508,349.74/5,501.13
  6. Step 6: Final answer
    x = 4,091.59

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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.