Home / 3,174.50-4,380.62-1,758.14

Finding the Fourth Proportional to 3,174.50, 4,380.62 and 1,758.14

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Solution

The fourth proportional to 3,174.50, 4,380.62 and 1,758.14 is: 2,426.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.50 : 4,380.62 = 1,758.14 : x
  2. Step 2: Convert to fraction form
    3,174.50/4,380.62 = 1,758.14/x
  3. Step 3: Cross multiply
    3,174.50x = 4,380.62 × 1,758.14
  4. Step 4: Simplify right side
    3,174.50x = 7,701,743.25
  5. Step 5: Solve for x
    x = 7,701,743.25/3,174.50
  6. Step 6: Final answer
    x = 2,426.13

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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.