Home / 3,219.26-4,441.64-2,040.03

Finding the Fourth Proportional to 3,219.26, 4,441.64 and 2,040.03

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Solution

The fourth proportional to 3,219.26, 4,441.64 and 2,040.03 is: 2,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.26 : 4,441.64 = 2,040.03 : x
  2. Step 2: Convert to fraction form
    3,219.26/4,441.64 = 2,040.03/x
  3. Step 3: Cross multiply
    3,219.26x = 4,441.64 × 2,040.03
  4. Step 4: Simplify right side
    3,219.26x = 9,061,068.65
  5. Step 5: Solve for x
    x = 9,061,068.65/3,219.26
  6. Step 6: Final answer
    x = 2,814.65

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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.