Home / 5,855.19-8,781.71-1,694.18

Finding the Fourth Proportional to 5,855.19, 8,781.71 and 1,694.18

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Solution

The fourth proportional to 5,855.19, 8,781.71 and 1,694.18 is: 2,540.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.19 : 8,781.71 = 1,694.18 : x
  2. Step 2: Convert to fraction form
    5,855.19/8,781.71 = 1,694.18/x
  3. Step 3: Cross multiply
    5,855.19x = 8,781.71 × 1,694.18
  4. Step 4: Simplify right side
    5,855.19x = 14,877,753.54
  5. Step 5: Solve for x
    x = 14,877,753.54/5,855.19
  6. Step 6: Final answer
    x = 2,540.95

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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.