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Finding the Fourth Proportional to 3,198.94, 4,799.07 and 1,350.07

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Solution

The fourth proportional to 3,198.94, 4,799.07 and 1,350.07 is: 2,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.94 : 4,799.07 = 1,350.07 : x
  2. Step 2: Convert to fraction form
    3,198.94/4,799.07 = 1,350.07/x
  3. Step 3: Cross multiply
    3,198.94x = 4,799.07 × 1,350.07
  4. Step 4: Simplify right side
    3,198.94x = 6,479,068.44
  5. Step 5: Solve for x
    x = 6,479,068.44/3,198.94
  6. Step 6: Final answer
    x = 2,025.38

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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.