Home / 3,874.17-5,346.19-2,195.49

Finding the Fourth Proportional to 3,874.17, 5,346.19 and 2,195.49

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Solution

The fourth proportional to 3,874.17, 5,346.19 and 2,195.49 is: 3,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.17 : 5,346.19 = 2,195.49 : x
  2. Step 2: Convert to fraction form
    3,874.17/5,346.19 = 2,195.49/x
  3. Step 3: Cross multiply
    3,874.17x = 5,346.19 × 2,195.49
  4. Step 4: Simplify right side
    3,874.17x = 11,737,506.68
  5. Step 5: Solve for x
    x = 11,737,506.68/3,874.17
  6. Step 6: Final answer
    x = 3,029.68

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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.