Home / 2,720.62-3,757.89-2,365.84

Finding the Fourth Proportional to 2,720.62, 3,757.89 and 2,365.84

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Solution

The fourth proportional to 2,720.62, 3,757.89 and 2,365.84 is: 3,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.62 : 3,757.89 = 2,365.84 : x
  2. Step 2: Convert to fraction form
    2,720.62/3,757.89 = 2,365.84/x
  3. Step 3: Cross multiply
    2,720.62x = 3,757.89 × 2,365.84
  4. Step 4: Simplify right side
    2,720.62x = 8,890,566.48
  5. Step 5: Solve for x
    x = 8,890,566.48/2,720.62
  6. Step 6: Final answer
    x = 3,267.85

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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.