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Finding the Fourth Proportional to 3,373.43, 5,058.53 and 1,912.19

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Solution

The fourth proportional to 3,373.43, 5,058.53 and 1,912.19 is: 2,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.43 : 5,058.53 = 1,912.19 : x
  2. Step 2: Convert to fraction form
    3,373.43/5,058.53 = 1,912.19/x
  3. Step 3: Cross multiply
    3,373.43x = 5,058.53 × 1,912.19
  4. Step 4: Simplify right side
    3,373.43x = 9,672,860.92
  5. Step 5: Solve for x
    x = 9,672,860.92/3,373.43
  6. Step 6: Final answer
    x = 2,867.37

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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.