Home / 7,217.10-10,826.13-2,022.78

Finding the Fourth Proportional to 7,217.10, 10,826.13 and 2,022.78

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Solution

The fourth proportional to 7,217.10, 10,826.13 and 2,022.78 is: 3,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.10 : 10,826.13 = 2,022.78 : x
  2. Step 2: Convert to fraction form
    7,217.10/10,826.13 = 2,022.78/x
  3. Step 3: Cross multiply
    7,217.10x = 10,826.13 × 2,022.78
  4. Step 4: Simplify right side
    7,217.10x = 21,898,879.24
  5. Step 5: Solve for x
    x = 21,898,879.24/7,217.10
  6. Step 6: Final answer
    x = 3,034.30

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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.