Home / 4,171.75-5,757.66-2,379.23

Finding the Fourth Proportional to 4,171.75, 5,757.66 and 2,379.23

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Solution

The fourth proportional to 4,171.75, 5,757.66 and 2,379.23 is: 3,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.75 : 5,757.66 = 2,379.23 : x
  2. Step 2: Convert to fraction form
    4,171.75/5,757.66 = 2,379.23/x
  3. Step 3: Cross multiply
    4,171.75x = 5,757.66 × 2,379.23
  4. Step 4: Simplify right side
    4,171.75x = 13,698,756.72
  5. Step 5: Solve for x
    x = 13,698,756.72/4,171.75
  6. Step 6: Final answer
    x = 3,283.70

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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.