Home / 2,740.20-4,110.94-792.36

Finding the Fourth Proportional to 2,740.20, 4,110.94 and 792.36

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Solution

The fourth proportional to 2,740.20, 4,110.94 and 792.36 is: 1,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.20 : 4,110.94 = 792.36 : x
  2. Step 2: Convert to fraction form
    2,740.20/4,110.94 = 792.36/x
  3. Step 3: Cross multiply
    2,740.20x = 4,110.94 × 792.36
  4. Step 4: Simplify right side
    2,740.20x = 3,257,344.42
  5. Step 5: Solve for x
    x = 3,257,344.42/2,740.20
  6. Step 6: Final answer
    x = 1,188.73

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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.