Home / 4,198.26-6,296.55-3,990.10

Finding the Fourth Proportional to 4,198.26, 6,296.55 and 3,990.10

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Solution

The fourth proportional to 4,198.26, 6,296.55 and 3,990.10 is: 5,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.26 : 6,296.55 = 3,990.10 : x
  2. Step 2: Convert to fraction form
    4,198.26/6,296.55 = 3,990.10/x
  3. Step 3: Cross multiply
    4,198.26x = 6,296.55 × 3,990.10
  4. Step 4: Simplify right side
    4,198.26x = 25,123,864.16
  5. Step 5: Solve for x
    x = 25,123,864.16/4,198.26
  6. Step 6: Final answer
    x = 5,984.35

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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.