Home / 3,748.26-5,172.56-2,069.73

Finding the Fourth Proportional to 3,748.26, 5,172.56 and 2,069.73

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Solution

The fourth proportional to 3,748.26, 5,172.56 and 2,069.73 is: 2,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.26 : 5,172.56 = 2,069.73 : x
  2. Step 2: Convert to fraction form
    3,748.26/5,172.56 = 2,069.73/x
  3. Step 3: Cross multiply
    3,748.26x = 5,172.56 × 2,069.73
  4. Step 4: Simplify right side
    3,748.26x = 10,705,792.26
  5. Step 5: Solve for x
    x = 10,705,792.26/3,748.26
  6. Step 6: Final answer
    x = 2,856.20

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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.