Home / 4,910.31-6,773.99-2,919.73

Finding the Fourth Proportional to 4,910.31, 6,773.99 and 2,919.73

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Solution

The fourth proportional to 4,910.31, 6,773.99 and 2,919.73 is: 4,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.31 : 6,773.99 = 2,919.73 : x
  2. Step 2: Convert to fraction form
    4,910.31/6,773.99 = 2,919.73/x
  3. Step 3: Cross multiply
    4,910.31x = 6,773.99 × 2,919.73
  4. Step 4: Simplify right side
    4,910.31x = 19,778,221.82
  5. Step 5: Solve for x
    x = 19,778,221.82/4,910.31
  6. Step 6: Final answer
    x = 4,027.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.