Home / 3,198.60-4,412.16-2,017.56

Finding the Fourth Proportional to 3,198.60, 4,412.16 and 2,017.56

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Solution

The fourth proportional to 3,198.60, 4,412.16 and 2,017.56 is: 2,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.60 : 4,412.16 = 2,017.56 : x
  2. Step 2: Convert to fraction form
    3,198.60/4,412.16 = 2,017.56/x
  3. Step 3: Cross multiply
    3,198.60x = 4,412.16 × 2,017.56
  4. Step 4: Simplify right side
    3,198.60x = 8,901,797.53
  5. Step 5: Solve for x
    x = 8,901,797.53/3,198.60
  6. Step 6: Final answer
    x = 2,783.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.