Home / 5,568.62-7,680.98-3,581.68

Finding the Fourth Proportional to 5,568.62, 7,680.98 and 3,581.68

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Solution

The fourth proportional to 5,568.62, 7,680.98 and 3,581.68 is: 4,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.62 : 7,680.98 = 3,581.68 : x
  2. Step 2: Convert to fraction form
    5,568.62/7,680.98 = 3,581.68/x
  3. Step 3: Cross multiply
    5,568.62x = 7,680.98 × 3,581.68
  4. Step 4: Simplify right side
    5,568.62x = 27,510,812.45
  5. Step 5: Solve for x
    x = 27,510,812.45/5,568.62
  6. Step 6: Final answer
    x = 4,940.33

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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.