Home / 3,948.23-5,912.22-3,831.44

Finding the Fourth Proportional to 3,948.23, 5,912.22 and 3,831.44

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Solution

The fourth proportional to 3,948.23, 5,912.22 and 3,831.44 is: 5,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.23 : 5,912.22 = 3,831.44 : x
  2. Step 2: Convert to fraction form
    3,948.23/5,912.22 = 3,831.44/x
  3. Step 3: Cross multiply
    3,948.23x = 5,912.22 × 3,831.44
  4. Step 4: Simplify right side
    3,948.23x = 22,652,286.64
  5. Step 5: Solve for x
    x = 22,652,286.64/3,948.23
  6. Step 6: Final answer
    x = 5,737.33

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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.