Home / 3,081.41-4,251.99-1,736.81

Finding the Fourth Proportional to 3,081.41, 4,251.99 and 1,736.81

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Solution

The fourth proportional to 3,081.41, 4,251.99 and 1,736.81 is: 2,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.41 : 4,251.99 = 1,736.81 : x
  2. Step 2: Convert to fraction form
    3,081.41/4,251.99 = 1,736.81/x
  3. Step 3: Cross multiply
    3,081.41x = 4,251.99 × 1,736.81
  4. Step 4: Simplify right side
    3,081.41x = 7,384,898.75
  5. Step 5: Solve for x
    x = 7,384,898.75/3,081.41
  6. Step 6: Final answer
    x = 2,396.60

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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.