Home / 2,006.81-2,769.39-1,168

Finding the Fourth Proportional to 2,006.81, 2,769.39 and 1,168

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Solution

The fourth proportional to 2,006.81, 2,769.39 and 1,168 is: 1,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.81 : 2,769.39 = 1,168 : x
  2. Step 2: Convert to fraction form
    2,006.81/2,769.39 = 1,168/x
  3. Step 3: Cross multiply
    2,006.81x = 2,769.39 × 1,168
  4. Step 4: Simplify right side
    2,006.81x = 3,234,647.52
  5. Step 5: Solve for x
    x = 3,234,647.52/2,006.81
  6. Step 6: Final answer
    x = 1,611.84

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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.