Home / 3,174.10-4,380.11-1,757.69

Finding the Fourth Proportional to 3,174.10, 4,380.11 and 1,757.69

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Solution

The fourth proportional to 3,174.10, 4,380.11 and 1,757.69 is: 2,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.10 : 4,380.11 = 1,757.69 : x
  2. Step 2: Convert to fraction form
    3,174.10/4,380.11 = 1,757.69/x
  3. Step 3: Cross multiply
    3,174.10x = 4,380.11 × 1,757.69
  4. Step 4: Simplify right side
    3,174.10x = 7,698,853.65
  5. Step 5: Solve for x
    x = 7,698,853.65/3,174.10
  6. Step 6: Final answer
    x = 2,425.52

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1.5x scale

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.