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Finding the Fourth Proportional to 3,462.98, 5,195.12 and 1,902.14

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Solution

The fourth proportional to 3,462.98, 5,195.12 and 1,902.14 is: 2,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.98 : 5,195.12 = 1,902.14 : x
  2. Step 2: Convert to fraction form
    3,462.98/5,195.12 = 1,902.14/x
  3. Step 3: Cross multiply
    3,462.98x = 5,195.12 × 1,902.14
  4. Step 4: Simplify right side
    3,462.98x = 9,881,810.07
  5. Step 5: Solve for x
    x = 9,881,810.07/3,462.98
  6. Step 6: Final answer
    x = 2,853.56

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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.