Home / 7,022.82-9,691.24-4,038.48

Finding the Fourth Proportional to 7,022.82, 9,691.24 and 4,038.48

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Solution

The fourth proportional to 7,022.82, 9,691.24 and 4,038.48 is: 5,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.82 : 9,691.24 = 4,038.48 : x
  2. Step 2: Convert to fraction form
    7,022.82/9,691.24 = 4,038.48/x
  3. Step 3: Cross multiply
    7,022.82x = 9,691.24 × 4,038.48
  4. Step 4: Simplify right side
    7,022.82x = 39,137,878.92
  5. Step 5: Solve for x
    x = 39,137,878.92/7,022.82
  6. Step 6: Final answer
    x = 5,572.96

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1.5x scale

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.