Home / 3,834.14-5,747.15-2,187.16

Finding the Fourth Proportional to 3,834.14, 5,747.15 and 2,187.16

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Solution

The fourth proportional to 3,834.14, 5,747.15 and 2,187.16 is: 3,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.14 : 5,747.15 = 2,187.16 : x
  2. Step 2: Convert to fraction form
    3,834.14/5,747.15 = 2,187.16/x
  3. Step 3: Cross multiply
    3,834.14x = 5,747.15 × 2,187.16
  4. Step 4: Simplify right side
    3,834.14x = 12,569,936.59
  5. Step 5: Solve for x
    x = 12,569,936.59/3,834.14
  6. Step 6: Final answer
    x = 3,278.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.