Home / 3,191.97-4,404.41-1,996.82

Finding the Fourth Proportional to 3,191.97, 4,404.41 and 1,996.82

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Solution

The fourth proportional to 3,191.97, 4,404.41 and 1,996.82 is: 2,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.97 : 4,404.41 = 1,996.82 : x
  2. Step 2: Convert to fraction form
    3,191.97/4,404.41 = 1,996.82/x
  3. Step 3: Cross multiply
    3,191.97x = 4,404.41 × 1,996.82
  4. Step 4: Simplify right side
    3,191.97x = 8,794,805.97
  5. Step 5: Solve for x
    x = 8,794,805.97/3,191.97
  6. Step 6: Final answer
    x = 2,755.29

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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.