Home / 3,195.68-4,408.56-1,869.44

Finding the Fourth Proportional to 3,195.68, 4,408.56 and 1,869.44

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Solution

The fourth proportional to 3,195.68, 4,408.56 and 1,869.44 is: 2,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.68 : 4,408.56 = 1,869.44 : x
  2. Step 2: Convert to fraction form
    3,195.68/4,408.56 = 1,869.44/x
  3. Step 3: Cross multiply
    3,195.68x = 4,408.56 × 1,869.44
  4. Step 4: Simplify right side
    3,195.68x = 8,241,538.41
  5. Step 5: Solve for x
    x = 8,241,538.41/3,195.68
  6. Step 6: Final answer
    x = 2,578.96

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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.