Home / 3,778.56-5,666.76-1,469.52

Finding the Fourth Proportional to 3,778.56, 5,666.76 and 1,469.52

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Solution

The fourth proportional to 3,778.56, 5,666.76 and 1,469.52 is: 2,203.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.56 : 5,666.76 = 1,469.52 : x
  2. Step 2: Convert to fraction form
    3,778.56/5,666.76 = 1,469.52/x
  3. Step 3: Cross multiply
    3,778.56x = 5,666.76 × 1,469.52
  4. Step 4: Simplify right side
    3,778.56x = 8,327,417.16
  5. Step 5: Solve for x
    x = 8,327,417.16/3,778.56
  6. Step 6: Final answer
    x = 2,203.86

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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.