Home / 3,183.76-4,772.87-1,234.56

Finding the Fourth Proportional to 3,183.76, 4,772.87 and 1,234.56

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Solution

The fourth proportional to 3,183.76, 4,772.87 and 1,234.56 is: 1,850.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.76 : 4,772.87 = 1,234.56 : x
  2. Step 2: Convert to fraction form
    3,183.76/4,772.87 = 1,234.56/x
  3. Step 3: Cross multiply
    3,183.76x = 4,772.87 × 1,234.56
  4. Step 4: Simplify right side
    3,183.76x = 5,892,394.39
  5. Step 5: Solve for x
    x = 5,892,394.39/3,183.76
  6. Step 6: Final answer
    x = 1,850.77

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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.