Home / 3,081.90-4,250.40-2,297.82

Finding the Fourth Proportional to 3,081.90, 4,250.40 and 2,297.82

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Solution

The fourth proportional to 3,081.90, 4,250.40 and 2,297.82 is: 3,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.90 : 4,250.40 = 2,297.82 : x
  2. Step 2: Convert to fraction form
    3,081.90/4,250.40 = 2,297.82/x
  3. Step 3: Cross multiply
    3,081.90x = 4,250.40 × 2,297.82
  4. Step 4: Simplify right side
    3,081.90x = 9,766,654.13
  5. Step 5: Solve for x
    x = 9,766,654.13/3,081.90
  6. Step 6: Final answer
    x = 3,169.04

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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.