Home / 5,104.60-7,042.62-3,242.68

Finding the Fourth Proportional to 5,104.60, 7,042.62 and 3,242.68

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Solution

The fourth proportional to 5,104.60, 7,042.62 and 3,242.68 is: 4,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.60 : 7,042.62 = 3,242.68 : x
  2. Step 2: Convert to fraction form
    5,104.60/7,042.62 = 3,242.68/x
  3. Step 3: Cross multiply
    5,104.60x = 7,042.62 × 3,242.68
  4. Step 4: Simplify right side
    5,104.60x = 22,836,963.02
  5. Step 5: Solve for x
    x = 22,836,963.02/5,104.60
  6. Step 6: Final answer
    x = 4,473.80

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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.