Home / 5,767.28-7,958.72-3,249.38

Finding the Fourth Proportional to 5,767.28, 7,958.72 and 3,249.38

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Solution

The fourth proportional to 5,767.28, 7,958.72 and 3,249.38 is: 4,484.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.28 : 7,958.72 = 3,249.38 : x
  2. Step 2: Convert to fraction form
    5,767.28/7,958.72 = 3,249.38/x
  3. Step 3: Cross multiply
    5,767.28x = 7,958.72 × 3,249.38
  4. Step 4: Simplify right side
    5,767.28x = 25,860,849.55
  5. Step 5: Solve for x
    x = 25,860,849.55/5,767.28
  6. Step 6: Final answer
    x = 4,484.07

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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.