Home / 5,255.25-7,882.92-1,359.42

Finding the Fourth Proportional to 5,255.25, 7,882.92 and 1,359.42

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Solution

The fourth proportional to 5,255.25, 7,882.92 and 1,359.42 is: 2,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.25 : 7,882.92 = 1,359.42 : x
  2. Step 2: Convert to fraction form
    5,255.25/7,882.92 = 1,359.42/x
  3. Step 3: Cross multiply
    5,255.25x = 7,882.92 × 1,359.42
  4. Step 4: Simplify right side
    5,255.25x = 10,716,199.11
  5. Step 5: Solve for x
    x = 10,716,199.11/5,255.25
  6. Step 6: Final answer
    x = 2,039.14

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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.