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Finding the Fourth Proportional to 3,958.02, 5,462.90 and 3,294.22

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Solution

The fourth proportional to 3,958.02, 5,462.90 and 3,294.22 is: 4,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.02 : 5,462.90 = 3,294.22 : x
  2. Step 2: Convert to fraction form
    3,958.02/5,462.90 = 3,294.22/x
  3. Step 3: Cross multiply
    3,958.02x = 5,462.90 × 3,294.22
  4. Step 4: Simplify right side
    3,958.02x = 17,995,994.44
  5. Step 5: Solve for x
    x = 17,995,994.44/3,958.02
  6. Step 6: Final answer
    x = 4,546.72

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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.