Home / 6,109.90-9,148.20-3,182.02

Finding the Fourth Proportional to 6,109.90, 9,148.20 and 3,182.02

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Solution

The fourth proportional to 6,109.90, 9,148.20 and 3,182.02 is: 4,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.90 : 9,148.20 = 3,182.02 : x
  2. Step 2: Convert to fraction form
    6,109.90/9,148.20 = 3,182.02/x
  3. Step 3: Cross multiply
    6,109.90x = 9,148.20 × 3,182.02
  4. Step 4: Simplify right side
    6,109.90x = 29,109,755.36
  5. Step 5: Solve for x
    x = 29,109,755.36/6,109.90
  6. Step 6: Final answer
    x = 4,764.36

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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.