Home / 5,521.54-7,618.70-3,283.97

Finding the Fourth Proportional to 5,521.54, 7,618.70 and 3,283.97

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Solution

The fourth proportional to 5,521.54, 7,618.70 and 3,283.97 is: 4,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.54 : 7,618.70 = 3,283.97 : x
  2. Step 2: Convert to fraction form
    5,521.54/7,618.70 = 3,283.97/x
  3. Step 3: Cross multiply
    5,521.54x = 7,618.70 × 3,283.97
  4. Step 4: Simplify right side
    5,521.54x = 25,019,550.69
  5. Step 5: Solve for x
    x = 25,019,550.69/5,521.54
  6. Step 6: Final answer
    x = 4,531.26

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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.