Home / 3,016.69-4,163.05-1,898.36

Finding the Fourth Proportional to 3,016.69, 4,163.05 and 1,898.36

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Solution

The fourth proportional to 3,016.69, 4,163.05 and 1,898.36 is: 2,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.69 : 4,163.05 = 1,898.36 : x
  2. Step 2: Convert to fraction form
    3,016.69/4,163.05 = 1,898.36/x
  3. Step 3: Cross multiply
    3,016.69x = 4,163.05 × 1,898.36
  4. Step 4: Simplify right side
    3,016.69x = 7,902,965.80
  5. Step 5: Solve for x
    x = 7,902,965.80/3,016.69
  6. Step 6: Final answer
    x = 2,619.74

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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.