Home / 5,315.86-7,974.09-2,029.42

Finding the Fourth Proportional to 5,315.86, 7,974.09 and 2,029.42

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Solution

The fourth proportional to 5,315.86, 7,974.09 and 2,029.42 is: 3,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.86 : 7,974.09 = 2,029.42 : x
  2. Step 2: Convert to fraction form
    5,315.86/7,974.09 = 2,029.42/x
  3. Step 3: Cross multiply
    5,315.86x = 7,974.09 × 2,029.42
  4. Step 4: Simplify right side
    5,315.86x = 16,182,777.73
  5. Step 5: Solve for x
    x = 16,182,777.73/5,315.86
  6. Step 6: Final answer
    x = 3,044.24

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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.