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Finding the Fourth Proportional to 5,589.59, 8,383.90 and 1,891.74

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Solution

The fourth proportional to 5,589.59, 8,383.90 and 1,891.74 is: 2,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.59 : 8,383.90 = 1,891.74 : x
  2. Step 2: Convert to fraction form
    5,589.59/8,383.90 = 1,891.74/x
  3. Step 3: Cross multiply
    5,589.59x = 8,383.90 × 1,891.74
  4. Step 4: Simplify right side
    5,589.59x = 15,860,112.34
  5. Step 5: Solve for x
    x = 15,860,112.34/5,589.59
  6. Step 6: Final answer
    x = 2,837.44

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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.