Home / 2,694.20-3,717.78-1,575.14

Finding the Fourth Proportional to 2,694.20, 3,717.78 and 1,575.14

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Solution

The fourth proportional to 2,694.20, 3,717.78 and 1,575.14 is: 2,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.20 : 3,717.78 = 1,575.14 : x
  2. Step 2: Convert to fraction form
    2,694.20/3,717.78 = 1,575.14/x
  3. Step 3: Cross multiply
    2,694.20x = 3,717.78 × 1,575.14
  4. Step 4: Simplify right side
    2,694.20x = 5,856,023.99
  5. Step 5: Solve for x
    x = 5,856,023.99/2,694.20
  6. Step 6: Final answer
    x = 2,173.57

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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.