Home / 3,198.06-4,410.28-2,077.72

Finding the Fourth Proportional to 3,198.06, 4,410.28 and 2,077.72

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Solution

The fourth proportional to 3,198.06, 4,410.28 and 2,077.72 is: 2,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.06 : 4,410.28 = 2,077.72 : x
  2. Step 2: Convert to fraction form
    3,198.06/4,410.28 = 2,077.72/x
  3. Step 3: Cross multiply
    3,198.06x = 4,410.28 × 2,077.72
  4. Step 4: Simplify right side
    3,198.06x = 9,163,318.53
  5. Step 5: Solve for x
    x = 9,163,318.53/3,198.06
  6. Step 6: Final answer
    x = 2,865.27

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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.