Home / 5,449.28-7,515.88-3,773.48

Finding the Fourth Proportional to 5,449.28, 7,515.88 and 3,773.48

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Solution

The fourth proportional to 5,449.28, 7,515.88 and 3,773.48 is: 5,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.28 : 7,515.88 = 3,773.48 : x
  2. Step 2: Convert to fraction form
    5,449.28/7,515.88 = 3,773.48/x
  3. Step 3: Cross multiply
    5,449.28x = 7,515.88 × 3,773.48
  4. Step 4: Simplify right side
    5,449.28x = 28,361,022.86
  5. Step 5: Solve for x
    x = 28,361,022.86/5,449.28
  6. Step 6: Final answer
    x = 5,204.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.