Home / 5,198.46-7,798.31-2,276.39

Finding the Fourth Proportional to 5,198.46, 7,798.31 and 2,276.39

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Solution

The fourth proportional to 5,198.46, 7,798.31 and 2,276.39 is: 3,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.46 : 7,798.31 = 2,276.39 : x
  2. Step 2: Convert to fraction form
    5,198.46/7,798.31 = 2,276.39/x
  3. Step 3: Cross multiply
    5,198.46x = 7,798.31 × 2,276.39
  4. Step 4: Simplify right side
    5,198.46x = 17,751,944.53
  5. Step 5: Solve for x
    x = 17,751,944.53/5,198.46
  6. Step 6: Final answer
    x = 3,414.85

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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.