Home / 4,874.14-6,723.42-2,986.57

Finding the Fourth Proportional to 4,874.14, 6,723.42 and 2,986.57

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Solution

The fourth proportional to 4,874.14, 6,723.42 and 2,986.57 is: 4,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.14 : 6,723.42 = 2,986.57 : x
  2. Step 2: Convert to fraction form
    4,874.14/6,723.42 = 2,986.57/x
  3. Step 3: Cross multiply
    4,874.14x = 6,723.42 × 2,986.57
  4. Step 4: Simplify right side
    4,874.14x = 20,079,930.85
  5. Step 5: Solve for x
    x = 20,079,930.85/4,874.14
  6. Step 6: Final answer
    x = 4,119.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.