Home / 2,569.20-3,850.16-1,919.18

Finding the Fourth Proportional to 2,569.20, 3,850.16 and 1,919.18

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Solution

The fourth proportional to 2,569.20, 3,850.16 and 1,919.18 is: 2,876.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.20 : 3,850.16 = 1,919.18 : x
  2. Step 2: Convert to fraction form
    2,569.20/3,850.16 = 1,919.18/x
  3. Step 3: Cross multiply
    2,569.20x = 3,850.16 × 1,919.18
  4. Step 4: Simplify right side
    2,569.20x = 7,389,121.22
  5. Step 5: Solve for x
    x = 7,389,121.22/2,569.20
  6. Step 6: Final answer
    x = 2,876.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.