Home / 5,832.72-8,049.20-3,180.16

Finding the Fourth Proportional to 5,832.72, 8,049.20 and 3,180.16

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Solution

The fourth proportional to 5,832.72, 8,049.20 and 3,180.16 is: 4,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832.72 : 8,049.20 = 3,180.16 : x
  2. Step 2: Convert to fraction form
    5,832.72/8,049.20 = 3,180.16/x
  3. Step 3: Cross multiply
    5,832.72x = 8,049.20 × 3,180.16
  4. Step 4: Simplify right side
    5,832.72x = 25,597,743.87
  5. Step 5: Solve for x
    x = 25,597,743.87/5,832.72
  6. Step 6: Final answer
    x = 4,388.65

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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.