Home / 2,730.46-4,101.36-2,657.56

Finding the Fourth Proportional to 2,730.46, 4,101.36 and 2,657.56

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Solution

The fourth proportional to 2,730.46, 4,101.36 and 2,657.56 is: 3,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.46 : 4,101.36 = 2,657.56 : x
  2. Step 2: Convert to fraction form
    2,730.46/4,101.36 = 2,657.56/x
  3. Step 3: Cross multiply
    2,730.46x = 4,101.36 × 2,657.56
  4. Step 4: Simplify right side
    2,730.46x = 10,899,610.28
  5. Step 5: Solve for x
    x = 10,899,610.28/2,730.46
  6. Step 6: Final answer
    x = 3,991.86

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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.