Home / 7,221.45-10,831.68-2,027.33

Finding the Fourth Proportional to 7,221.45, 10,831.68 and 2,027.33

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Solution

The fourth proportional to 7,221.45, 10,831.68 and 2,027.33 is: 3,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.45 : 10,831.68 = 2,027.33 : x
  2. Step 2: Convert to fraction form
    7,221.45/10,831.68 = 2,027.33/x
  3. Step 3: Cross multiply
    7,221.45x = 10,831.68 × 2,027.33
  4. Step 4: Simplify right side
    7,221.45x = 21,959,335.66
  5. Step 5: Solve for x
    x = 21,959,335.66/7,221.45
  6. Step 6: Final answer
    x = 3,040.85

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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.