Home / 2,851.76-4,267.92-2,268.56

Finding the Fourth Proportional to 2,851.76, 4,267.92 and 2,268.56

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Solution

The fourth proportional to 2,851.76, 4,267.92 and 2,268.56 is: 3,395.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.76 : 4,267.92 = 2,268.56 : x
  2. Step 2: Convert to fraction form
    2,851.76/4,267.92 = 2,268.56/x
  3. Step 3: Cross multiply
    2,851.76x = 4,267.92 × 2,268.56
  4. Step 4: Simplify right side
    2,851.76x = 9,682,032.60
  5. Step 5: Solve for x
    x = 9,682,032.60/2,851.76
  6. Step 6: Final answer
    x = 3,395.11

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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.