Home / 3,315.40-4,974.20-1,467

Finding the Fourth Proportional to 3,315.40, 4,974.20 and 1,467

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Solution

The fourth proportional to 3,315.40, 4,974.20 and 1,467 is: 2,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.40 : 4,974.20 = 1,467 : x
  2. Step 2: Convert to fraction form
    3,315.40/4,974.20 = 1,467/x
  3. Step 3: Cross multiply
    3,315.40x = 4,974.20 × 1,467
  4. Step 4: Simplify right side
    3,315.40x = 7,297,151.40
  5. Step 5: Solve for x
    x = 7,297,151.40/3,315.40
  6. Step 6: Final answer
    x = 2,200.99

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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.