Home / 2,019.53-3,029.30-1,326.03

Finding the Fourth Proportional to 2,019.53, 3,029.30 and 1,326.03

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Solution

The fourth proportional to 2,019.53, 3,029.30 and 1,326.03 is: 1,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.53 : 3,029.30 = 1,326.03 : x
  2. Step 2: Convert to fraction form
    2,019.53/3,029.30 = 1,326.03/x
  3. Step 3: Cross multiply
    2,019.53x = 3,029.30 × 1,326.03
  4. Step 4: Simplify right side
    2,019.53x = 4,016,936.05
  5. Step 5: Solve for x
    x = 4,016,936.05/2,019.53
  6. Step 6: Final answer
    x = 1,989.05

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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.