Home / 3,874.11-5,346.10-2,195.42

Finding the Fourth Proportional to 3,874.11, 5,346.10 and 2,195.42

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Solution

The fourth proportional to 3,874.11, 5,346.10 and 2,195.42 is: 3,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.11 : 5,346.10 = 2,195.42 : x
  2. Step 2: Convert to fraction form
    3,874.11/5,346.10 = 2,195.42/x
  3. Step 3: Cross multiply
    3,874.11x = 5,346.10 × 2,195.42
  4. Step 4: Simplify right side
    3,874.11x = 11,736,940.95
  5. Step 5: Solve for x
    x = 11,736,940.95/3,874.11
  6. Step 6: Final answer
    x = 3,029.58

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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.