Home / 5,422.19-8,132.04-3,231.54

Finding the Fourth Proportional to 5,422.19, 8,132.04 and 3,231.54

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Solution

The fourth proportional to 5,422.19, 8,132.04 and 3,231.54 is: 4,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.19 : 8,132.04 = 3,231.54 : x
  2. Step 2: Convert to fraction form
    5,422.19/8,132.04 = 3,231.54/x
  3. Step 3: Cross multiply
    5,422.19x = 8,132.04 × 3,231.54
  4. Step 4: Simplify right side
    5,422.19x = 26,279,012.54
  5. Step 5: Solve for x
    x = 26,279,012.54/5,422.19
  6. Step 6: Final answer
    x = 4,846.57

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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.