Home / 3,882.73-5,358-2,114.35

Finding the Fourth Proportional to 3,882.73, 5,358 and 2,114.35

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Solution

The fourth proportional to 3,882.73, 5,358 and 2,114.35 is: 2,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.73 : 5,358 = 2,114.35 : x
  2. Step 2: Convert to fraction form
    3,882.73/5,358 = 2,114.35/x
  3. Step 3: Cross multiply
    3,882.73x = 5,358 × 2,114.35
  4. Step 4: Simplify right side
    3,882.73x = 11,328,687.30
  5. Step 5: Solve for x
    x = 11,328,687.30/3,882.73
  6. Step 6: Final answer
    x = 2,917.71

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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.