Home / 4,268.72-6,402.60-1,149

Finding the Fourth Proportional to 4,268.72, 6,402.60 and 1,149

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Solution

The fourth proportional to 4,268.72, 6,402.60 and 1,149 is: 1,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.72 : 6,402.60 = 1,149 : x
  2. Step 2: Convert to fraction form
    4,268.72/6,402.60 = 1,149/x
  3. Step 3: Cross multiply
    4,268.72x = 6,402.60 × 1,149
  4. Step 4: Simplify right side
    4,268.72x = 7,356,587.40
  5. Step 5: Solve for x
    x = 7,356,587.40/4,268.72
  6. Step 6: Final answer
    x = 1,723.37

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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.