Home / 5,910.58-8,858.33-3,138.58

Finding the Fourth Proportional to 5,910.58, 8,858.33 and 3,138.58

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Solution

The fourth proportional to 5,910.58, 8,858.33 and 3,138.58 is: 4,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.58 : 8,858.33 = 3,138.58 : x
  2. Step 2: Convert to fraction form
    5,910.58/8,858.33 = 3,138.58/x
  3. Step 3: Cross multiply
    5,910.58x = 8,858.33 × 3,138.58
  4. Step 4: Simplify right side
    5,910.58x = 27,802,517.39
  5. Step 5: Solve for x
    x = 27,802,517.39/5,910.58
  6. Step 6: Final answer
    x = 4,703.86

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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.