Home / 2,740.26-4,111.11-792.48

Finding the Fourth Proportional to 2,740.26, 4,111.11 and 792.48

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Solution

The fourth proportional to 2,740.26, 4,111.11 and 792.48 is: 1,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.26 : 4,111.11 = 792.48 : x
  2. Step 2: Convert to fraction form
    2,740.26/4,111.11 = 792.48/x
  3. Step 3: Cross multiply
    2,740.26x = 4,111.11 × 792.48
  4. Step 4: Simplify right side
    2,740.26x = 3,257,972.45
  5. Step 5: Solve for x
    x = 3,257,972.45/2,740.26
  6. Step 6: Final answer
    x = 1,188.93

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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.