Home / 3,268.72-4,507.08-2,481.40

Finding the Fourth Proportional to 3,268.72, 4,507.08 and 2,481.40

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Solution

The fourth proportional to 3,268.72, 4,507.08 and 2,481.40 is: 3,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.72 : 4,507.08 = 2,481.40 : x
  2. Step 2: Convert to fraction form
    3,268.72/4,507.08 = 2,481.40/x
  3. Step 3: Cross multiply
    3,268.72x = 4,507.08 × 2,481.40
  4. Step 4: Simplify right side
    3,268.72x = 11,183,868.31
  5. Step 5: Solve for x
    x = 11,183,868.31/3,268.72
  6. Step 6: Final answer
    x = 3,421.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.