Home / 3,198.32-4,796.31-1,117.73

Finding the Fourth Proportional to 3,198.32, 4,796.31 and 1,117.73

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Solution

The fourth proportional to 3,198.32, 4,796.31 and 1,117.73 is: 1,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.32 : 4,796.31 = 1,117.73 : x
  2. Step 2: Convert to fraction form
    3,198.32/4,796.31 = 1,117.73/x
  3. Step 3: Cross multiply
    3,198.32x = 4,796.31 × 1,117.73
  4. Step 4: Simplify right side
    3,198.32x = 5,360,995.76
  5. Step 5: Solve for x
    x = 5,360,995.76/3,198.32
  6. Step 6: Final answer
    x = 1,676.19

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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.