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Finding the Fourth Proportional to 4,259.02, 6,391 and 1,793.68

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Solution

The fourth proportional to 4,259.02, 6,391 and 1,793.68 is: 2,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.02 : 6,391 = 1,793.68 : x
  2. Step 2: Convert to fraction form
    4,259.02/6,391 = 1,793.68/x
  3. Step 3: Cross multiply
    4,259.02x = 6,391 × 1,793.68
  4. Step 4: Simplify right side
    4,259.02x = 11,463,408.88
  5. Step 5: Solve for x
    x = 11,463,408.88/4,259.02
  6. Step 6: Final answer
    x = 2,691.56

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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.