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Finding the Fourth Proportional to 2,843.88, 3,924.95 and 2,719.34

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Solution

The fourth proportional to 2,843.88, 3,924.95 and 2,719.34 is: 3,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.88 : 3,924.95 = 2,719.34 : x
  2. Step 2: Convert to fraction form
    2,843.88/3,924.95 = 2,719.34/x
  3. Step 3: Cross multiply
    2,843.88x = 3,924.95 × 2,719.34
  4. Step 4: Simplify right side
    2,843.88x = 10,673,273.53
  5. Step 5: Solve for x
    x = 10,673,273.53/2,843.88
  6. Step 6: Final answer
    x = 3,753.07

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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.