Home / 5,173.98-7,761.86-2,250.70

Finding the Fourth Proportional to 5,173.98, 7,761.86 and 2,250.70

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Solution

The fourth proportional to 5,173.98, 7,761.86 and 2,250.70 is: 3,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.98 : 7,761.86 = 2,250.70 : x
  2. Step 2: Convert to fraction form
    5,173.98/7,761.86 = 2,250.70/x
  3. Step 3: Cross multiply
    5,173.98x = 7,761.86 × 2,250.70
  4. Step 4: Simplify right side
    5,173.98x = 17,469,618.30
  5. Step 5: Solve for x
    x = 17,469,618.30/5,173.98
  6. Step 6: Final answer
    x = 3,376.44

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1.5x scale

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.