Home / 2,028.56-3,043.78-1,995.80

Finding the Fourth Proportional to 2,028.56, 3,043.78 and 1,995.80

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Solution

The fourth proportional to 2,028.56, 3,043.78 and 1,995.80 is: 2,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.56 : 3,043.78 = 1,995.80 : x
  2. Step 2: Convert to fraction form
    2,028.56/3,043.78 = 1,995.80/x
  3. Step 3: Cross multiply
    2,028.56x = 3,043.78 × 1,995.80
  4. Step 4: Simplify right side
    2,028.56x = 6,074,776.12
  5. Step 5: Solve for x
    x = 6,074,776.12/2,028.56
  6. Step 6: Final answer
    x = 2,994.62

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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.