Home / 3,874.46-5,346.68-2,195.82

Finding the Fourth Proportional to 3,874.46, 5,346.68 and 2,195.82

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Solution

The fourth proportional to 3,874.46, 5,346.68 and 2,195.82 is: 3,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.46 : 5,346.68 = 2,195.82 : x
  2. Step 2: Convert to fraction form
    3,874.46/5,346.68 = 2,195.82/x
  3. Step 3: Cross multiply
    3,874.46x = 5,346.68 × 2,195.82
  4. Step 4: Simplify right side
    3,874.46x = 11,740,335.90
  5. Step 5: Solve for x
    x = 11,740,335.90/3,874.46
  6. Step 6: Final answer
    x = 3,030.19

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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.