Home / 5,821.65-8,736.03-2,311.02

Finding the Fourth Proportional to 5,821.65, 8,736.03 and 2,311.02

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Solution

The fourth proportional to 5,821.65, 8,736.03 and 2,311.02 is: 3,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.65 : 8,736.03 = 2,311.02 : x
  2. Step 2: Convert to fraction form
    5,821.65/8,736.03 = 2,311.02/x
  3. Step 3: Cross multiply
    5,821.65x = 8,736.03 × 2,311.02
  4. Step 4: Simplify right side
    5,821.65x = 20,189,140.05
  5. Step 5: Solve for x
    x = 20,189,140.05/5,821.65
  6. Step 6: Final answer
    x = 3,467.94

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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.