Home / 3,817.92-5,725.74-2,175.24

Finding the Fourth Proportional to 3,817.92, 5,725.74 and 2,175.24

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Solution

The fourth proportional to 3,817.92, 5,725.74 and 2,175.24 is: 3,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.92 : 5,725.74 = 2,175.24 : x
  2. Step 2: Convert to fraction form
    3,817.92/5,725.74 = 2,175.24/x
  3. Step 3: Cross multiply
    3,817.92x = 5,725.74 × 2,175.24
  4. Step 4: Simplify right side
    3,817.92x = 12,454,858.68
  5. Step 5: Solve for x
    x = 12,454,858.68/3,817.92
  6. Step 6: Final answer
    x = 3,262.21

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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.