Home / 4,175.16-5,761.72-2,312.16

Finding the Fourth Proportional to 4,175.16, 5,761.72 and 2,312.16

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Solution

The fourth proportional to 4,175.16, 5,761.72 and 2,312.16 is: 3,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.16 : 5,761.72 = 2,312.16 : x
  2. Step 2: Convert to fraction form
    4,175.16/5,761.72 = 2,312.16/x
  3. Step 3: Cross multiply
    4,175.16x = 5,761.72 × 2,312.16
  4. Step 4: Simplify right side
    4,175.16x = 13,321,999.80
  5. Step 5: Solve for x
    x = 13,321,999.80/4,175.16
  6. Step 6: Final answer
    x = 3,190.78

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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.