Home / 3,193.96-4,408.01-2,015.41

Finding the Fourth Proportional to 3,193.96, 4,408.01 and 2,015.41

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Solution

The fourth proportional to 3,193.96, 4,408.01 and 2,015.41 is: 2,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.96 : 4,408.01 = 2,015.41 : x
  2. Step 2: Convert to fraction form
    3,193.96/4,408.01 = 2,015.41/x
  3. Step 3: Cross multiply
    3,193.96x = 4,408.01 × 2,015.41
  4. Step 4: Simplify right side
    3,193.96x = 8,883,947.43
  5. Step 5: Solve for x
    x = 8,883,947.43/3,193.96
  6. Step 6: Final answer
    x = 2,781.48

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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.