Home / 4,167.75-5,751.51-2,279.37

Finding the Fourth Proportional to 4,167.75, 5,751.51 and 2,279.37

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Solution

The fourth proportional to 4,167.75, 5,751.51 and 2,279.37 is: 3,145.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.75 : 5,751.51 = 2,279.37 : x
  2. Step 2: Convert to fraction form
    4,167.75/5,751.51 = 2,279.37/x
  3. Step 3: Cross multiply
    4,167.75x = 5,751.51 × 2,279.37
  4. Step 4: Simplify right side
    4,167.75x = 13,109,819.35
  5. Step 5: Solve for x
    x = 13,109,819.35/4,167.75
  6. Step 6: Final answer
    x = 3,145.54

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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.