Home / 3,198.15-4,797.36-1,896.75

Finding the Fourth Proportional to 3,198.15, 4,797.36 and 1,896.75

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Solution

The fourth proportional to 3,198.15, 4,797.36 and 1,896.75 is: 2,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.15 : 4,797.36 = 1,896.75 : x
  2. Step 2: Convert to fraction form
    3,198.15/4,797.36 = 1,896.75/x
  3. Step 3: Cross multiply
    3,198.15x = 4,797.36 × 1,896.75
  4. Step 4: Simplify right side
    3,198.15x = 9,099,392.58
  5. Step 5: Solve for x
    x = 9,099,392.58/3,198.15
  6. Step 6: Final answer
    x = 2,845.21

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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.