Home / 3,198.04-4,412.94-1,800.76

Finding the Fourth Proportional to 3,198.04, 4,412.94 and 1,800.76

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Solution

The fourth proportional to 3,198.04, 4,412.94 and 1,800.76 is: 2,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198.04 : 4,412.94 = 1,800.76 : x
  2. Step 2: Convert to fraction form
    3,198.04/4,412.94 = 1,800.76/x
  3. Step 3: Cross multiply
    3,198.04x = 4,412.94 × 1,800.76
  4. Step 4: Simplify right side
    3,198.04x = 7,946,645.83
  5. Step 5: Solve for x
    x = 7,946,645.83/3,198.04
  6. Step 6: Final answer
    x = 2,484.85

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Half scale
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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.