Home / 4,135.38-5,711.68-2,735.70

Finding the Fourth Proportional to 4,135.38, 5,711.68 and 2,735.70

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Solution

The fourth proportional to 4,135.38, 5,711.68 and 2,735.70 is: 3,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.38 : 5,711.68 = 2,735.70 : x
  2. Step 2: Convert to fraction form
    4,135.38/5,711.68 = 2,735.70/x
  3. Step 3: Cross multiply
    4,135.38x = 5,711.68 × 2,735.70
  4. Step 4: Simplify right side
    4,135.38x = 15,625,442.98
  5. Step 5: Solve for x
    x = 15,625,442.98/4,135.38
  6. Step 6: Final answer
    x = 3,778.48

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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.