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Finding the Fourth Proportional to 5,799.87, 8,699.81 and 3,490.83

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Solution

The fourth proportional to 5,799.87, 8,699.81 and 3,490.83 is: 5,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.87 : 8,699.81 = 3,490.83 : x
  2. Step 2: Convert to fraction form
    5,799.87/8,699.81 = 3,490.83/x
  3. Step 3: Cross multiply
    5,799.87x = 8,699.81 × 3,490.83
  4. Step 4: Simplify right side
    5,799.87x = 30,369,540.29
  5. Step 5: Solve for x
    x = 30,369,540.29/5,799.87
  6. Step 6: Final answer
    x = 5,236.25

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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.