Home / 5,104.47-7,044.82-3,114.60

Finding the Fourth Proportional to 5,104.47, 7,044.82 and 3,114.60

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Solution

The fourth proportional to 5,104.47, 7,044.82 and 3,114.60 is: 4,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.47 : 7,044.82 = 3,114.60 : x
  2. Step 2: Convert to fraction form
    5,104.47/7,044.82 = 3,114.60/x
  3. Step 3: Cross multiply
    5,104.47x = 7,044.82 × 3,114.60
  4. Step 4: Simplify right side
    5,104.47x = 21,941,780.80
  5. Step 5: Solve for x
    x = 21,941,780.80/5,104.47
  6. Step 6: Final answer
    x = 4,298.55

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1.5x scale

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.