Home / 4,980.22-7,471.78-1,517.38

Finding the Fourth Proportional to 4,980.22, 7,471.78 and 1,517.38

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Solution

The fourth proportional to 4,980.22, 7,471.78 and 1,517.38 is: 2,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.22 : 7,471.78 = 1,517.38 : x
  2. Step 2: Convert to fraction form
    4,980.22/7,471.78 = 1,517.38/x
  3. Step 3: Cross multiply
    4,980.22x = 7,471.78 × 1,517.38
  4. Step 4: Simplify right side
    4,980.22x = 11,337,529.54
  5. Step 5: Solve for x
    x = 11,337,529.54/4,980.22
  6. Step 6: Final answer
    x = 2,276.51

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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.