Home / 2,021.36-3,028.68-704.41

Finding the Fourth Proportional to 2,021.36, 3,028.68 and 704.41

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Solution

The fourth proportional to 2,021.36, 3,028.68 and 704.41 is: 1,055.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.36 : 3,028.68 = 704.41 : x
  2. Step 2: Convert to fraction form
    2,021.36/3,028.68 = 704.41/x
  3. Step 3: Cross multiply
    2,021.36x = 3,028.68 × 704.41
  4. Step 4: Simplify right side
    2,021.36x = 2,133,428.96
  5. Step 5: Solve for x
    x = 2,133,428.96/2,021.36
  6. Step 6: Final answer
    x = 1,055.44

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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.