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Finding the Fourth Proportional to 3,373.68, 5,058.90 and 1,912.44

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Solution

The fourth proportional to 3,373.68, 5,058.90 and 1,912.44 is: 2,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.68 : 5,058.90 = 1,912.44 : x
  2. Step 2: Convert to fraction form
    3,373.68/5,058.90 = 1,912.44/x
  3. Step 3: Cross multiply
    3,373.68x = 5,058.90 × 1,912.44
  4. Step 4: Simplify right side
    3,373.68x = 9,674,842.72
  5. Step 5: Solve for x
    x = 9,674,842.72/3,373.68
  6. Step 6: Final answer
    x = 2,867.74

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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.