Home / 5,270.60-7,274.22-3,175.88

Finding the Fourth Proportional to 5,270.60, 7,274.22 and 3,175.88

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Solution

The fourth proportional to 5,270.60, 7,274.22 and 3,175.88 is: 4,383.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.60 : 7,274.22 = 3,175.88 : x
  2. Step 2: Convert to fraction form
    5,270.60/7,274.22 = 3,175.88/x
  3. Step 3: Cross multiply
    5,270.60x = 7,274.22 × 3,175.88
  4. Step 4: Simplify right side
    5,270.60x = 23,102,049.81
  5. Step 5: Solve for x
    x = 23,102,049.81/5,270.60
  6. Step 6: Final answer
    x = 4,383.19

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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.