Home / 7,135.92-9,850.87-4,150.66

Finding the Fourth Proportional to 7,135.92, 9,850.87 and 4,150.66

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Solution

The fourth proportional to 7,135.92, 9,850.87 and 4,150.66 is: 5,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.92 : 9,850.87 = 4,150.66 : x
  2. Step 2: Convert to fraction form
    7,135.92/9,850.87 = 4,150.66/x
  3. Step 3: Cross multiply
    7,135.92x = 9,850.87 × 4,150.66
  4. Step 4: Simplify right side
    7,135.92x = 40,887,601.70
  5. Step 5: Solve for x
    x = 40,887,601.70/7,135.92
  6. Step 6: Final answer
    x = 5,729.83

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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.