Home / 7,022.66-9,691.26-4,038.56

Finding the Fourth Proportional to 7,022.66, 9,691.26 and 4,038.56

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Solution

The fourth proportional to 7,022.66, 9,691.26 and 4,038.56 is: 5,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.66 : 9,691.26 = 4,038.56 : x
  2. Step 2: Convert to fraction form
    7,022.66/9,691.26 = 4,038.56/x
  3. Step 3: Cross multiply
    7,022.66x = 9,691.26 × 4,038.56
  4. Step 4: Simplify right side
    7,022.66x = 39,138,734.99
  5. Step 5: Solve for x
    x = 39,138,734.99/7,022.66
  6. Step 6: Final answer
    x = 5,573.21

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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.