Home / 5,315.01-7,972.79-2,028.44

Finding the Fourth Proportional to 5,315.01, 7,972.79 and 2,028.44

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Solution

The fourth proportional to 5,315.01, 7,972.79 and 2,028.44 is: 3,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.01 : 7,972.79 = 2,028.44 : x
  2. Step 2: Convert to fraction form
    5,315.01/7,972.79 = 2,028.44/x
  3. Step 3: Cross multiply
    5,315.01x = 7,972.79 × 2,028.44
  4. Step 4: Simplify right side
    5,315.01x = 16,172,276.14
  5. Step 5: Solve for x
    x = 16,172,276.14/5,315.01
  6. Step 6: Final answer
    x = 3,042.76

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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.