Home / 3,193.22-4,408.81-1,998.68

Finding the Fourth Proportional to 3,193.22, 4,408.81 and 1,998.68

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Solution

The fourth proportional to 3,193.22, 4,408.81 and 1,998.68 is: 2,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.22 : 4,408.81 = 1,998.68 : x
  2. Step 2: Convert to fraction form
    3,193.22/4,408.81 = 1,998.68/x
  3. Step 3: Cross multiply
    3,193.22x = 4,408.81 × 1,998.68
  4. Step 4: Simplify right side
    3,193.22x = 8,811,773.33
  5. Step 5: Solve for x
    x = 8,811,773.33/3,193.22
  6. Step 6: Final answer
    x = 2,759.52

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Half scale
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Double 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.