Home / 7,169.90-10,755.35-3,005.73

Finding the Fourth Proportional to 7,169.90, 10,755.35 and 3,005.73

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Solution

The fourth proportional to 7,169.90, 10,755.35 and 3,005.73 is: 4,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.90 : 10,755.35 = 3,005.73 : x
  2. Step 2: Convert to fraction form
    7,169.90/10,755.35 = 3,005.73/x
  3. Step 3: Cross multiply
    7,169.90x = 10,755.35 × 3,005.73
  4. Step 4: Simplify right side
    7,169.90x = 32,327,663.13
  5. Step 5: Solve for x
    x = 32,327,663.13/7,169.90
  6. Step 6: Final answer
    x = 4,508.81

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1.5x scale

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.