Home / 5,150.24-7,735.92-3,397.78

Finding the Fourth Proportional to 5,150.24, 7,735.92 and 3,397.78

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Solution

The fourth proportional to 5,150.24, 7,735.92 and 3,397.78 is: 5,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.24 : 7,735.92 = 3,397.78 : x
  2. Step 2: Convert to fraction form
    5,150.24/7,735.92 = 3,397.78/x
  3. Step 3: Cross multiply
    5,150.24x = 7,735.92 × 3,397.78
  4. Step 4: Simplify right side
    5,150.24x = 26,284,954.26
  5. Step 5: Solve for x
    x = 26,284,954.26/5,150.24
  6. Step 6: Final answer
    x = 5,103.64

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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.