Home / 3,016.91-4,163.24-1,690.69

Finding the Fourth Proportional to 3,016.91, 4,163.24 and 1,690.69

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Solution

The fourth proportional to 3,016.91, 4,163.24 and 1,690.69 is: 2,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.91 : 4,163.24 = 1,690.69 : x
  2. Step 2: Convert to fraction form
    3,016.91/4,163.24 = 1,690.69/x
  3. Step 3: Cross multiply
    3,016.91x = 4,163.24 × 1,690.69
  4. Step 4: Simplify right side
    3,016.91x = 7,038,742.05
  5. Step 5: Solve for x
    x = 7,038,742.05/3,016.91
  6. Step 6: Final answer
    x = 2,333.09

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Half 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.