Home / 4,327.92-6,487.93-2,105.53

Finding the Fourth Proportional to 4,327.92, 6,487.93 and 2,105.53

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Solution

The fourth proportional to 4,327.92, 6,487.93 and 2,105.53 is: 3,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.92 : 6,487.93 = 2,105.53 : x
  2. Step 2: Convert to fraction form
    4,327.92/6,487.93 = 2,105.53/x
  3. Step 3: Cross multiply
    4,327.92x = 6,487.93 × 2,105.53
  4. Step 4: Simplify right side
    4,327.92x = 13,660,531.25
  5. Step 5: Solve for x
    x = 13,660,531.25/4,327.92
  6. Step 6: Final answer
    x = 3,156.37

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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.