Home / 2,018.93-2,786.77-1,179.97

Finding the Fourth Proportional to 2,018.93, 2,786.77 and 1,179.97

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Solution

The fourth proportional to 2,018.93, 2,786.77 and 1,179.97 is: 1,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018.93 : 2,786.77 = 1,179.97 : x
  2. Step 2: Convert to fraction form
    2,018.93/2,786.77 = 1,179.97/x
  3. Step 3: Cross multiply
    2,018.93x = 2,786.77 × 1,179.97
  4. Step 4: Simplify right side
    2,018.93x = 3,288,299.50
  5. Step 5: Solve for x
    x = 3,288,299.50/2,018.93
  6. Step 6: Final answer
    x = 1,628.74

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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.