Home / 3,799.92-5,243.85-2,227.71

Finding the Fourth Proportional to 3,799.92, 5,243.85 and 2,227.71

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Solution

The fourth proportional to 3,799.92, 5,243.85 and 2,227.71 is: 3,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.92 : 5,243.85 = 2,227.71 : x
  2. Step 2: Convert to fraction form
    3,799.92/5,243.85 = 2,227.71/x
  3. Step 3: Cross multiply
    3,799.92x = 5,243.85 × 2,227.71
  4. Step 4: Simplify right side
    3,799.92x = 11,681,777.08
  5. Step 5: Solve for x
    x = 11,681,777.08/3,799.92
  6. Step 6: Final answer
    x = 3,074.22

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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.