Home / 4,170.23-5,755.68-2,680.01

Finding the Fourth Proportional to 4,170.23, 5,755.68 and 2,680.01

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Solution

The fourth proportional to 4,170.23, 5,755.68 and 2,680.01 is: 3,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.23 : 5,755.68 = 2,680.01 : x
  2. Step 2: Convert to fraction form
    4,170.23/5,755.68 = 2,680.01/x
  3. Step 3: Cross multiply
    4,170.23x = 5,755.68 × 2,680.01
  4. Step 4: Simplify right side
    4,170.23x = 15,425,251.18
  5. Step 5: Solve for x
    x = 15,425,251.18/4,170.23
  6. Step 6: Final answer
    x = 3,698.90

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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.