Home / 5,422.56-8,138.70-4,032.60

Finding the Fourth Proportional to 5,422.56, 8,138.70 and 4,032.60

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Solution

The fourth proportional to 5,422.56, 8,138.70 and 4,032.60 is: 6,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.56 : 8,138.70 = 4,032.60 : x
  2. Step 2: Convert to fraction form
    5,422.56/8,138.70 = 4,032.60/x
  3. Step 3: Cross multiply
    5,422.56x = 8,138.70 × 4,032.60
  4. Step 4: Simplify right side
    5,422.56x = 32,820,121.62
  5. Step 5: Solve for x
    x = 32,820,121.62/5,422.56
  6. Step 6: Final answer
    x = 6,052.51

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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.