Home / 3,183.68-4,776.20-1,235.88

Finding the Fourth Proportional to 3,183.68, 4,776.20 and 1,235.88

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Solution

The fourth proportional to 3,183.68, 4,776.20 and 1,235.88 is: 1,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.68 : 4,776.20 = 1,235.88 : x
  2. Step 2: Convert to fraction form
    3,183.68/4,776.20 = 1,235.88/x
  3. Step 3: Cross multiply
    3,183.68x = 4,776.20 × 1,235.88
  4. Step 4: Simplify right side
    3,183.68x = 5,902,827.16
  5. Step 5: Solve for x
    x = 5,902,827.16/3,183.68
  6. Step 6: Final answer
    x = 1,854.09

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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.