Home / 1,910.58-2,865.24-611.73

Finding the Fourth Proportional to 1,910.58, 2,865.24 and 611.73

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Solution

The fourth proportional to 1,910.58, 2,865.24 and 611.73 is: 917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.58 : 2,865.24 = 611.73 : x
  2. Step 2: Convert to fraction form
    1,910.58/2,865.24 = 611.73/x
  3. Step 3: Cross multiply
    1,910.58x = 2,865.24 × 611.73
  4. Step 4: Simplify right side
    1,910.58x = 1,752,753.27
  5. Step 5: Solve for x
    x = 1,752,753.27/1,910.58
  6. Step 6: Final answer
    x = 917.39

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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.