Home / 3,016.91-4,163.49-1,690.53

Finding the Fourth Proportional to 3,016.91, 4,163.49 and 1,690.53

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Solution

The fourth proportional to 3,016.91, 4,163.49 and 1,690.53 is: 2,333.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.91 : 4,163.49 = 1,690.53 : x
  2. Step 2: Convert to fraction form
    3,016.91/4,163.49 = 1,690.53/x
  3. Step 3: Cross multiply
    3,016.91x = 4,163.49 × 1,690.53
  4. Step 4: Simplify right side
    3,016.91x = 7,038,504.75
  5. Step 5: Solve for x
    x = 7,038,504.75/3,016.91
  6. Step 6: Final answer
    x = 2,333.02

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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.