Home / 7,724.92-11,586.62-3,831.88

Finding the Fourth Proportional to 7,724.92, 11,586.62 and 3,831.88

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Solution

The fourth proportional to 7,724.92, 11,586.62 and 3,831.88 is: 5,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.92 : 11,586.62 = 3,831.88 : x
  2. Step 2: Convert to fraction form
    7,724.92/11,586.62 = 3,831.88/x
  3. Step 3: Cross multiply
    7,724.92x = 11,586.62 × 3,831.88
  4. Step 4: Simplify right side
    7,724.92x = 44,398,537.45
  5. Step 5: Solve for x
    x = 44,398,537.45/7,724.92
  6. Step 6: Final answer
    x = 5,747.44

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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.