Home / 4,169.61-5,753.45-3,161.88

Finding the Fourth Proportional to 4,169.61, 5,753.45 and 3,161.88

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Solution

The fourth proportional to 4,169.61, 5,753.45 and 3,161.88 is: 4,362.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.61 : 5,753.45 = 3,161.88 : x
  2. Step 2: Convert to fraction form
    4,169.61/5,753.45 = 3,161.88/x
  3. Step 3: Cross multiply
    4,169.61x = 5,753.45 × 3,161.88
  4. Step 4: Simplify right side
    4,169.61x = 18,191,702.68
  5. Step 5: Solve for x
    x = 18,191,702.68/4,169.61
  6. Step 6: Final answer
    x = 4,362.93

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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.