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Finding the Fourth Proportional to 3,958.70, 5,463.06 and 2,467.22

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Solution

The fourth proportional to 3,958.70, 5,463.06 and 2,467.22 is: 3,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.70 : 5,463.06 = 2,467.22 : x
  2. Step 2: Convert to fraction form
    3,958.70/5,463.06 = 2,467.22/x
  3. Step 3: Cross multiply
    3,958.70x = 5,463.06 × 2,467.22
  4. Step 4: Simplify right side
    3,958.70x = 13,478,570.89
  5. Step 5: Solve for x
    x = 13,478,570.89/3,958.70
  6. Step 6: Final answer
    x = 3,404.80

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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.