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Finding the Fourth Proportional to 5,175.01, 7,141.53 and 3,079

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Solution

The fourth proportional to 5,175.01, 7,141.53 and 3,079 is: 4,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.01 : 7,141.53 = 3,079 : x
  2. Step 2: Convert to fraction form
    5,175.01/7,141.53 = 3,079/x
  3. Step 3: Cross multiply
    5,175.01x = 7,141.53 × 3,079
  4. Step 4: Simplify right side
    5,175.01x = 21,988,770.87
  5. Step 5: Solve for x
    x = 21,988,770.87/5,175.01
  6. Step 6: Final answer
    x = 4,249.03

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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.