Home / 7,712.75-11,568.87-3,269.23

Finding the Fourth Proportional to 7,712.75, 11,568.87 and 3,269.23

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Solution

The fourth proportional to 7,712.75, 11,568.87 and 3,269.23 is: 4,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.75 : 11,568.87 = 3,269.23 : x
  2. Step 2: Convert to fraction form
    7,712.75/11,568.87 = 3,269.23/x
  3. Step 3: Cross multiply
    7,712.75x = 11,568.87 × 3,269.23
  4. Step 4: Simplify right side
    7,712.75x = 37,821,296.87
  5. Step 5: Solve for x
    x = 37,821,296.87/7,712.75
  6. Step 6: Final answer
    x = 4,903.74

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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.