Home / 2,777.82-4,156.20-2,367.96

Finding the Fourth Proportional to 2,777.82, 4,156.20 and 2,367.96

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Solution

The fourth proportional to 2,777.82, 4,156.20 and 2,367.96 is: 3,542.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.82 : 4,156.20 = 2,367.96 : x
  2. Step 2: Convert to fraction form
    2,777.82/4,156.20 = 2,367.96/x
  3. Step 3: Cross multiply
    2,777.82x = 4,156.20 × 2,367.96
  4. Step 4: Simplify right side
    2,777.82x = 9,841,715.35
  5. Step 5: Solve for x
    x = 9,841,715.35/2,777.82
  6. Step 6: Final answer
    x = 3,542.96

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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.