Home / 4,125.47-5,691.49-2,867.54

Finding the Fourth Proportional to 4,125.47, 5,691.49 and 2,867.54

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Solution

The fourth proportional to 4,125.47, 5,691.49 and 2,867.54 is: 3,956.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.47 : 5,691.49 = 2,867.54 : x
  2. Step 2: Convert to fraction form
    4,125.47/5,691.49 = 2,867.54/x
  3. Step 3: Cross multiply
    4,125.47x = 5,691.49 × 2,867.54
  4. Step 4: Simplify right side
    4,125.47x = 16,320,575.23
  5. Step 5: Solve for x
    x = 16,320,575.23/4,125.47
  6. Step 6: Final answer
    x = 3,956.05

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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.