Home / 3,069.46-4,230.69-2,351.38

Finding the Fourth Proportional to 3,069.46, 4,230.69 and 2,351.38

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Solution

The fourth proportional to 3,069.46, 4,230.69 and 2,351.38 is: 3,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.46 : 4,230.69 = 2,351.38 : x
  2. Step 2: Convert to fraction form
    3,069.46/4,230.69 = 2,351.38/x
  3. Step 3: Cross multiply
    3,069.46x = 4,230.69 × 2,351.38
  4. Step 4: Simplify right side
    3,069.46x = 9,947,959.85
  5. Step 5: Solve for x
    x = 9,947,959.85/3,069.46
  6. Step 6: Final answer
    x = 3,240.95

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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.