Home / 5,939.72-8,909.39-2,821.97

Finding the Fourth Proportional to 5,939.72, 8,909.39 and 2,821.97

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Solution

The fourth proportional to 5,939.72, 8,909.39 and 2,821.97 is: 4,232.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.72 : 8,909.39 = 2,821.97 : x
  2. Step 2: Convert to fraction form
    5,939.72/8,909.39 = 2,821.97/x
  3. Step 3: Cross multiply
    5,939.72x = 8,909.39 × 2,821.97
  4. Step 4: Simplify right side
    5,939.72x = 25,142,031.30
  5. Step 5: Solve for x
    x = 25,142,031.30/5,939.72
  6. Step 6: Final answer
    x = 4,232.86

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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.