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Finding the Fourth Proportional to 3,183.57, 4,794.12 and 2,777.49

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Solution

The fourth proportional to 3,183.57, 4,794.12 and 2,777.49 is: 4,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.57 : 4,794.12 = 2,777.49 : x
  2. Step 2: Convert to fraction form
    3,183.57/4,794.12 = 2,777.49/x
  3. Step 3: Cross multiply
    3,183.57x = 4,794.12 × 2,777.49
  4. Step 4: Simplify right side
    3,183.57x = 13,315,620.36
  5. Step 5: Solve for x
    x = 13,315,620.36/3,183.57
  6. Step 6: Final answer
    x = 4,182.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.