Home / 5,568.35-7,680.62-3,581.42

Finding the Fourth Proportional to 5,568.35, 7,680.62 and 3,581.42

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Solution

The fourth proportional to 5,568.35, 7,680.62 and 3,581.42 is: 4,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.35 : 7,680.62 = 3,581.42 : x
  2. Step 2: Convert to fraction form
    5,568.35/7,680.62 = 3,581.42/x
  3. Step 3: Cross multiply
    5,568.35x = 7,680.62 × 3,581.42
  4. Step 4: Simplify right side
    5,568.35x = 27,507,496.63
  5. Step 5: Solve for x
    x = 27,507,496.63/5,568.35
  6. Step 6: Final answer
    x = 4,939.98

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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.