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Finding the Fourth Proportional to 2,843.94, 4,265.44 and 2,019.72

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Solution

The fourth proportional to 2,843.94, 4,265.44 and 2,019.72 is: 3,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.94 : 4,265.44 = 2,019.72 : x
  2. Step 2: Convert to fraction form
    2,843.94/4,265.44 = 2,019.72/x
  3. Step 3: Cross multiply
    2,843.94x = 4,265.44 × 2,019.72
  4. Step 4: Simplify right side
    2,843.94x = 8,614,994.48
  5. Step 5: Solve for x
    x = 8,614,994.48/2,843.94
  6. Step 6: Final answer
    x = 3,029.25

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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.