Home / 3,517.11-5,275.66-1,177.47

Finding the Fourth Proportional to 3,517.11, 5,275.66 and 1,177.47

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Solution

The fourth proportional to 3,517.11, 5,275.66 and 1,177.47 is: 1,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.11 : 5,275.66 = 1,177.47 : x
  2. Step 2: Convert to fraction form
    3,517.11/5,275.66 = 1,177.47/x
  3. Step 3: Cross multiply
    3,517.11x = 5,275.66 × 1,177.47
  4. Step 4: Simplify right side
    3,517.11x = 6,211,931.38
  5. Step 5: Solve for x
    x = 6,211,931.38/3,517.11
  6. Step 6: Final answer
    x = 1,766.20

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Similar ratio
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1.5x scale

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.