Home / 3,517.27-4,853.87-1,945.39

Finding the Fourth Proportional to 3,517.27, 4,853.87 and 1,945.39

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Solution

The fourth proportional to 3,517.27, 4,853.87 and 1,945.39 is: 2,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.27 : 4,853.87 = 1,945.39 : x
  2. Step 2: Convert to fraction form
    3,517.27/4,853.87 = 1,945.39/x
  3. Step 3: Cross multiply
    3,517.27x = 4,853.87 × 1,945.39
  4. Step 4: Simplify right side
    3,517.27x = 9,442,670.16
  5. Step 5: Solve for x
    x = 9,442,670.16/3,517.27
  6. Step 6: Final answer
    x = 2,684.66

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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.