Home / 2,251.97-3,355.31-2,126.22

Finding the Fourth Proportional to 2,251.97, 3,355.31 and 2,126.22

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Solution

The fourth proportional to 2,251.97, 3,355.31 and 2,126.22 is: 3,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.97 : 3,355.31 = 2,126.22 : x
  2. Step 2: Convert to fraction form
    2,251.97/3,355.31 = 2,126.22/x
  3. Step 3: Cross multiply
    2,251.97x = 3,355.31 × 2,126.22
  4. Step 4: Simplify right side
    2,251.97x = 7,134,124.57
  5. Step 5: Solve for x
    x = 7,134,124.57/2,251.97
  6. Step 6: Final answer
    x = 3,167.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.