Home / 5,273.20-7,276.80-3,382.12

Finding the Fourth Proportional to 5,273.20, 7,276.80 and 3,382.12

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Solution

The fourth proportional to 5,273.20, 7,276.80 and 3,382.12 is: 4,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.20 : 7,276.80 = 3,382.12 : x
  2. Step 2: Convert to fraction form
    5,273.20/7,276.80 = 3,382.12/x
  3. Step 3: Cross multiply
    5,273.20x = 7,276.80 × 3,382.12
  4. Step 4: Simplify right side
    5,273.20x = 24,611,010.82
  5. Step 5: Solve for x
    x = 24,611,010.82/5,273.20
  6. Step 6: Final answer
    x = 4,667.19

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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.