Home / 5,619.60-8,418.11-2,799.93

Finding the Fourth Proportional to 5,619.60, 8,418.11 and 2,799.93

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Solution

The fourth proportional to 5,619.60, 8,418.11 and 2,799.93 is: 4,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.60 : 8,418.11 = 2,799.93 : x
  2. Step 2: Convert to fraction form
    5,619.60/8,418.11 = 2,799.93/x
  3. Step 3: Cross multiply
    5,619.60x = 8,418.11 × 2,799.93
  4. Step 4: Simplify right side
    5,619.60x = 23,570,118.73
  5. Step 5: Solve for x
    x = 23,570,118.73/5,619.60
  6. Step 6: Final answer
    x = 4,194.27

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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.