Home / 3,882.45-5,357.73-2,114.04

Finding the Fourth Proportional to 3,882.45, 5,357.73 and 2,114.04

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Solution

The fourth proportional to 3,882.45, 5,357.73 and 2,114.04 is: 2,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.45 : 5,357.73 = 2,114.04 : x
  2. Step 2: Convert to fraction form
    3,882.45/5,357.73 = 2,114.04/x
  3. Step 3: Cross multiply
    3,882.45x = 5,357.73 × 2,114.04
  4. Step 4: Simplify right side
    3,882.45x = 11,326,455.53
  5. Step 5: Solve for x
    x = 11,326,455.53/3,882.45
  6. Step 6: Final answer
    x = 2,917.35

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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.