Home / 5,170.82-7,135.74-3,046.43

Finding the Fourth Proportional to 5,170.82, 7,135.74 and 3,046.43

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Solution

The fourth proportional to 5,170.82, 7,135.74 and 3,046.43 is: 4,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.82 : 7,135.74 = 3,046.43 : x
  2. Step 2: Convert to fraction form
    5,170.82/7,135.74 = 3,046.43/x
  3. Step 3: Cross multiply
    5,170.82x = 7,135.74 × 3,046.43
  4. Step 4: Simplify right side
    5,170.82x = 21,738,550.25
  5. Step 5: Solve for x
    x = 21,738,550.25/5,170.82
  6. Step 6: Final answer
    x = 4,204.09

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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.