Home / 3,311.60-4,564.56-2,750.96

Finding the Fourth Proportional to 3,311.60, 4,564.56 and 2,750.96

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Solution

The fourth proportional to 3,311.60, 4,564.56 and 2,750.96 is: 3,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.60 : 4,564.56 = 2,750.96 : x
  2. Step 2: Convert to fraction form
    3,311.60/4,564.56 = 2,750.96/x
  3. Step 3: Cross multiply
    3,311.60x = 4,564.56 × 2,750.96
  4. Step 4: Simplify right side
    3,311.60x = 12,556,921.98
  5. Step 5: Solve for x
    x = 12,556,921.98/3,311.60
  6. Step 6: Final answer
    x = 3,791.80

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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.