Home / 3,131.66-4,698.15-1,183.82

Finding the Fourth Proportional to 3,131.66, 4,698.15 and 1,183.82

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Solution

The fourth proportional to 3,131.66, 4,698.15 and 1,183.82 is: 1,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.66 : 4,698.15 = 1,183.82 : x
  2. Step 2: Convert to fraction form
    3,131.66/4,698.15 = 1,183.82/x
  3. Step 3: Cross multiply
    3,131.66x = 4,698.15 × 1,183.82
  4. Step 4: Simplify right side
    3,131.66x = 5,561,763.93
  5. Step 5: Solve for x
    x = 5,561,763.93/3,131.66
  6. Step 6: Final answer
    x = 1,775.98

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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.