Home / 3,805.80-5,250.02-2,756.04

Finding the Fourth Proportional to 3,805.80, 5,250.02 and 2,756.04

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Solution

The fourth proportional to 3,805.80, 5,250.02 and 2,756.04 is: 3,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.80 : 5,250.02 = 2,756.04 : x
  2. Step 2: Convert to fraction form
    3,805.80/5,250.02 = 2,756.04/x
  3. Step 3: Cross multiply
    3,805.80x = 5,250.02 × 2,756.04
  4. Step 4: Simplify right side
    3,805.80x = 14,469,265.12
  5. Step 5: Solve for x
    x = 14,469,265.12/3,805.80
  6. Step 6: Final answer
    x = 3,801.90

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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.