Home / 5,989.70-8,984.59-2,091.38

Finding the Fourth Proportional to 5,989.70, 8,984.59 and 2,091.38

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Solution

The fourth proportional to 5,989.70, 8,984.59 and 2,091.38 is: 3,137.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.70 : 8,984.59 = 2,091.38 : x
  2. Step 2: Convert to fraction form
    5,989.70/8,984.59 = 2,091.38/x
  3. Step 3: Cross multiply
    5,989.70x = 8,984.59 × 2,091.38
  4. Step 4: Simplify right side
    5,989.70x = 18,790,141.68
  5. Step 5: Solve for x
    x = 18,790,141.68/5,989.70
  6. Step 6: Final answer
    x = 3,137.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.