Home / 5,412.73-8,122.26-2,292.55

Finding the Fourth Proportional to 5,412.73, 8,122.26 and 2,292.55

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Solution

The fourth proportional to 5,412.73, 8,122.26 and 2,292.55 is: 3,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.73 : 8,122.26 = 2,292.55 : x
  2. Step 2: Convert to fraction form
    5,412.73/8,122.26 = 2,292.55/x
  3. Step 3: Cross multiply
    5,412.73x = 8,122.26 × 2,292.55
  4. Step 4: Simplify right side
    5,412.73x = 18,620,687.16
  5. Step 5: Solve for x
    x = 18,620,687.16/5,412.73
  6. Step 6: Final answer
    x = 3,440.17

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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.