Home / 3,422.22-5,133.42-1,231.17

Finding the Fourth Proportional to 3,422.22, 5,133.42 and 1,231.17

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Solution

The fourth proportional to 3,422.22, 5,133.42 and 1,231.17 is: 1,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.22 : 5,133.42 = 1,231.17 : x
  2. Step 2: Convert to fraction form
    3,422.22/5,133.42 = 1,231.17/x
  3. Step 3: Cross multiply
    3,422.22x = 5,133.42 × 1,231.17
  4. Step 4: Simplify right side
    3,422.22x = 6,320,112.70
  5. Step 5: Solve for x
    x = 6,320,112.70/3,422.22
  6. Step 6: Final answer
    x = 1,846.79

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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.