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Finding the Fourth Proportional to 3,885.67, 5,834.31 and 2,245.42

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Solution

The fourth proportional to 3,885.67, 5,834.31 and 2,245.42 is: 3,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.67 : 5,834.31 = 2,245.42 : x
  2. Step 2: Convert to fraction form
    3,885.67/5,834.31 = 2,245.42/x
  3. Step 3: Cross multiply
    3,885.67x = 5,834.31 × 2,245.42
  4. Step 4: Simplify right side
    3,885.67x = 13,100,476.36
  5. Step 5: Solve for x
    x = 13,100,476.36/3,885.67
  6. Step 6: Final answer
    x = 3,371.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.