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Finding the Fourth Proportional to 2,891.41, 4,344.04 and 1,853.44

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Solution

The fourth proportional to 2,891.41, 4,344.04 and 1,853.44 is: 2,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.41 : 4,344.04 = 1,853.44 : x
  2. Step 2: Convert to fraction form
    2,891.41/4,344.04 = 1,853.44/x
  3. Step 3: Cross multiply
    2,891.41x = 4,344.04 × 1,853.44
  4. Step 4: Simplify right side
    2,891.41x = 8,051,398.53
  5. Step 5: Solve for x
    x = 8,051,398.53/2,891.41
  6. Step 6: Final answer
    x = 2,784.59

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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.