Home / 3,766.11-5,197.20-2,087.61

Finding the Fourth Proportional to 3,766.11, 5,197.20 and 2,087.61

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Solution

The fourth proportional to 3,766.11, 5,197.20 and 2,087.61 is: 2,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.11 : 5,197.20 = 2,087.61 : x
  2. Step 2: Convert to fraction form
    3,766.11/5,197.20 = 2,087.61/x
  3. Step 3: Cross multiply
    3,766.11x = 5,197.20 × 2,087.61
  4. Step 4: Simplify right side
    3,766.11x = 10,849,726.69
  5. Step 5: Solve for x
    x = 10,849,726.69/3,766.11
  6. Step 6: Final answer
    x = 2,880.88

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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.