Home / 5,179.18-7,183.88-4,992.38

Finding the Fourth Proportional to 5,179.18, 7,183.88 and 4,992.38

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Solution

The fourth proportional to 5,179.18, 7,183.88 and 4,992.38 is: 6,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.18 : 7,183.88 = 4,992.38 : x
  2. Step 2: Convert to fraction form
    5,179.18/7,183.88 = 4,992.38/x
  3. Step 3: Cross multiply
    5,179.18x = 7,183.88 × 4,992.38
  4. Step 4: Simplify right side
    5,179.18x = 35,864,622.92
  5. Step 5: Solve for x
    x = 35,864,622.92/5,179.18
  6. Step 6: Final answer
    x = 6,924.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.