Home / 3,125.26-4,309.95-2,132.02

Finding the Fourth Proportional to 3,125.26, 4,309.95 and 2,132.02

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Solution

The fourth proportional to 3,125.26, 4,309.95 and 2,132.02 is: 2,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.26 : 4,309.95 = 2,132.02 : x
  2. Step 2: Convert to fraction form
    3,125.26/4,309.95 = 2,132.02/x
  3. Step 3: Cross multiply
    3,125.26x = 4,309.95 × 2,132.02
  4. Step 4: Simplify right side
    3,125.26x = 9,188,899.60
  5. Step 5: Solve for x
    x = 9,188,899.60/3,125.26
  6. Step 6: Final answer
    x = 2,940.20

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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.