Home / 5,827.80-8,042.38-3,175.25

Finding the Fourth Proportional to 5,827.80, 8,042.38 and 3,175.25

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Solution

The fourth proportional to 5,827.80, 8,042.38 and 3,175.25 is: 4,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.80 : 8,042.38 = 3,175.25 : x
  2. Step 2: Convert to fraction form
    5,827.80/8,042.38 = 3,175.25/x
  3. Step 3: Cross multiply
    5,827.80x = 8,042.38 × 3,175.25
  4. Step 4: Simplify right side
    5,827.80x = 25,536,579.26
  5. Step 5: Solve for x
    x = 25,536,579.26/5,827.80
  6. Step 6: Final answer
    x = 4,381.86

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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.