Home / 3,183.96-4,777.92-1,724.08

Finding the Fourth Proportional to 3,183.96, 4,777.92 and 1,724.08

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Solution

The fourth proportional to 3,183.96, 4,777.92 and 1,724.08 is: 2,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.96 : 4,777.92 = 1,724.08 : x
  2. Step 2: Convert to fraction form
    3,183.96/4,777.92 = 1,724.08/x
  3. Step 3: Cross multiply
    3,183.96x = 4,777.92 × 1,724.08
  4. Step 4: Simplify right side
    3,183.96x = 8,237,516.31
  5. Step 5: Solve for x
    x = 8,237,516.31/3,183.96
  6. Step 6: Final answer
    x = 2,587.19

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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.