Home / 3,436.62-5,156.48-1,462.78

Finding the Fourth Proportional to 3,436.62, 5,156.48 and 1,462.78

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Solution

The fourth proportional to 3,436.62, 5,156.48 and 1,462.78 is: 2,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.62 : 5,156.48 = 1,462.78 : x
  2. Step 2: Convert to fraction form
    3,436.62/5,156.48 = 1,462.78/x
  3. Step 3: Cross multiply
    3,436.62x = 5,156.48 × 1,462.78
  4. Step 4: Simplify right side
    3,436.62x = 7,542,795.81
  5. Step 5: Solve for x
    x = 7,542,795.81/3,436.62
  6. Step 6: Final answer
    x = 2,194.83

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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.