Home / 6,874.85-10,306.81-2,976.53

Finding the Fourth Proportional to 6,874.85, 10,306.81 and 2,976.53

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Solution

The fourth proportional to 6,874.85, 10,306.81 and 2,976.53 is: 4,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.85 : 10,306.81 = 2,976.53 : x
  2. Step 2: Convert to fraction form
    6,874.85/10,306.81 = 2,976.53/x
  3. Step 3: Cross multiply
    6,874.85x = 10,306.81 × 2,976.53
  4. Step 4: Simplify right side
    6,874.85x = 30,678,470.19
  5. Step 5: Solve for x
    x = 30,678,470.19/6,874.85
  6. Step 6: Final answer
    x = 4,462.42

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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.