Home / 8,032.20-12,044.70-3,100.20

Finding the Fourth Proportional to 8,032.20, 12,044.70 and 3,100.20

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Solution

The fourth proportional to 8,032.20, 12,044.70 and 3,100.20 is: 4,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,032.20 : 12,044.70 = 3,100.20 : x
  2. Step 2: Convert to fraction form
    8,032.20/12,044.70 = 3,100.20/x
  3. Step 3: Cross multiply
    8,032.20x = 12,044.70 × 3,100.20
  4. Step 4: Simplify right side
    8,032.20x = 37,340,978.94
  5. Step 5: Solve for x
    x = 37,340,978.94/8,032.20
  6. Step 6: Final answer
    x = 4,648.91

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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.