Home / 3,174.42-4,751.66-2,181.43

Finding the Fourth Proportional to 3,174.42, 4,751.66 and 2,181.43

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Solution

The fourth proportional to 3,174.42, 4,751.66 and 2,181.43 is: 3,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.42 : 4,751.66 = 2,181.43 : x
  2. Step 2: Convert to fraction form
    3,174.42/4,751.66 = 2,181.43/x
  3. Step 3: Cross multiply
    3,174.42x = 4,751.66 × 2,181.43
  4. Step 4: Simplify right side
    3,174.42x = 10,365,425.07
  5. Step 5: Solve for x
    x = 10,365,425.07/3,174.42
  6. Step 6: Final answer
    x = 3,265.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.