Home / 5,250.52-7,255.36-3,831.80

Finding the Fourth Proportional to 5,250.52, 7,255.36 and 3,831.80

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Solution

The fourth proportional to 5,250.52, 7,255.36 and 3,831.80 is: 5,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.52 : 7,255.36 = 3,831.80 : x
  2. Step 2: Convert to fraction form
    5,250.52/7,255.36 = 3,831.80/x
  3. Step 3: Cross multiply
    5,250.52x = 7,255.36 × 3,831.80
  4. Step 4: Simplify right side
    5,250.52x = 27,801,088.45
  5. Step 5: Solve for x
    x = 27,801,088.45/5,250.52
  6. Step 6: Final answer
    x = 5,294.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.