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Finding the Fourth Proportional to 3,463.20, 5,195 and 997.96

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Solution

The fourth proportional to 3,463.20, 5,195 and 997.96 is: 1,497.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.20 : 5,195 = 997.96 : x
  2. Step 2: Convert to fraction form
    3,463.20/5,195 = 997.96/x
  3. Step 3: Cross multiply
    3,463.20x = 5,195 × 997.96
  4. Step 4: Simplify right side
    3,463.20x = 5,184,402.20
  5. Step 5: Solve for x
    x = 5,184,402.20/3,463.20
  6. Step 6: Final answer
    x = 1,497.00

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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.