Home / 3,169.72-4,375.48-2,092.84

Finding the Fourth Proportional to 3,169.72, 4,375.48 and 2,092.84

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Solution

The fourth proportional to 3,169.72, 4,375.48 and 2,092.84 is: 2,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.72 : 4,375.48 = 2,092.84 : x
  2. Step 2: Convert to fraction form
    3,169.72/4,375.48 = 2,092.84/x
  3. Step 3: Cross multiply
    3,169.72x = 4,375.48 × 2,092.84
  4. Step 4: Simplify right side
    3,169.72x = 9,157,179.56
  5. Step 5: Solve for x
    x = 9,157,179.56/3,169.72
  6. Step 6: Final answer
    x = 2,888.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.