Home / 3,069.46-4,234.51-2,074.38

Finding the Fourth Proportional to 3,069.46, 4,234.51 and 2,074.38

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Solution

The fourth proportional to 3,069.46, 4,234.51 and 2,074.38 is: 2,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.46 : 4,234.51 = 2,074.38 : x
  2. Step 2: Convert to fraction form
    3,069.46/4,234.51 = 2,074.38/x
  3. Step 3: Cross multiply
    3,069.46x = 4,234.51 × 2,074.38
  4. Step 4: Simplify right side
    3,069.46x = 8,783,982.85
  5. Step 5: Solve for x
    x = 8,783,982.85/3,069.46
  6. Step 6: Final answer
    x = 2,861.74

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Half scale
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Double scale
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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.