Home / 5,172.16-7,758.24-2,092

Finding the Fourth Proportional to 5,172.16, 7,758.24 and 2,092

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Solution

The fourth proportional to 5,172.16, 7,758.24 and 2,092 is: 3,138

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.16 : 7,758.24 = 2,092 : x
  2. Step 2: Convert to fraction form
    5,172.16/7,758.24 = 2,092/x
  3. Step 3: Cross multiply
    5,172.16x = 7,758.24 × 2,092
  4. Step 4: Simplify right side
    5,172.16x = 16,230,238.08
  5. Step 5: Solve for x
    x = 16,230,238.08/5,172.16
  6. Step 6: Final answer
    x = 3,138

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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.