Home / 3,696.75-5,545.31-1,099.71

Finding the Fourth Proportional to 3,696.75, 5,545.31 and 1,099.71

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Solution

The fourth proportional to 3,696.75, 5,545.31 and 1,099.71 is: 1,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.75 : 5,545.31 = 1,099.71 : x
  2. Step 2: Convert to fraction form
    3,696.75/5,545.31 = 1,099.71/x
  3. Step 3: Cross multiply
    3,696.75x = 5,545.31 × 1,099.71
  4. Step 4: Simplify right side
    3,696.75x = 6,098,227.36
  5. Step 5: Solve for x
    x = 6,098,227.36/3,696.75
  6. Step 6: Final answer
    x = 1,649.62

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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.