Home / 3,183.43-4,393.05-1,767.11

Finding the Fourth Proportional to 3,183.43, 4,393.05 and 1,767.11

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Solution

The fourth proportional to 3,183.43, 4,393.05 and 1,767.11 is: 2,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.43 : 4,393.05 = 1,767.11 : x
  2. Step 2: Convert to fraction form
    3,183.43/4,393.05 = 1,767.11/x
  3. Step 3: Cross multiply
    3,183.43x = 4,393.05 × 1,767.11
  4. Step 4: Simplify right side
    3,183.43x = 7,763,007.37
  5. Step 5: Solve for x
    x = 7,763,007.37/3,183.43
  6. Step 6: Final answer
    x = 2,438.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.