Home / 3,766.64-5,645.33-2,730.20

Finding the Fourth Proportional to 3,766.64, 5,645.33 and 2,730.20

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Solution

The fourth proportional to 3,766.64, 5,645.33 and 2,730.20 is: 4,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.64 : 5,645.33 = 2,730.20 : x
  2. Step 2: Convert to fraction form
    3,766.64/5,645.33 = 2,730.20/x
  3. Step 3: Cross multiply
    3,766.64x = 5,645.33 × 2,730.20
  4. Step 4: Simplify right side
    3,766.64x = 15,412,858.56
  5. Step 5: Solve for x
    x = 15,412,858.56/3,766.64
  6. Step 6: Final answer
    x = 4,091.94

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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.