Home / 3,112.24-4,662.86-2,773.24

Finding the Fourth Proportional to 3,112.24, 4,662.86 and 2,773.24

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Solution

The fourth proportional to 3,112.24, 4,662.86 and 2,773.24 is: 4,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.24 : 4,662.86 = 2,773.24 : x
  2. Step 2: Convert to fraction form
    3,112.24/4,662.86 = 2,773.24/x
  3. Step 3: Cross multiply
    3,112.24x = 4,662.86 × 2,773.24
  4. Step 4: Simplify right side
    3,112.24x = 12,931,229.87
  5. Step 5: Solve for x
    x = 12,931,229.87/3,112.24
  6. Step 6: Final answer
    x = 4,154.96

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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.