Home / 6,220.82-9,331.23-1,838.62

Finding the Fourth Proportional to 6,220.82, 9,331.23 and 1,838.62

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Solution

The fourth proportional to 6,220.82, 9,331.23 and 1,838.62 is: 2,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.82 : 9,331.23 = 1,838.62 : x
  2. Step 2: Convert to fraction form
    6,220.82/9,331.23 = 1,838.62/x
  3. Step 3: Cross multiply
    6,220.82x = 9,331.23 × 1,838.62
  4. Step 4: Simplify right side
    6,220.82x = 17,156,552.17
  5. Step 5: Solve for x
    x = 17,156,552.17/6,220.82
  6. Step 6: Final answer
    x = 2,757.93

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1.5x scale

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.