Home / 5,716.80-8,568.72-3,631.68

Finding the Fourth Proportional to 5,716.80, 8,568.72 and 3,631.68

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Solution

The fourth proportional to 5,716.80, 8,568.72 and 3,631.68 is: 5,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.80 : 8,568.72 = 3,631.68 : x
  2. Step 2: Convert to fraction form
    5,716.80/8,568.72 = 3,631.68/x
  3. Step 3: Cross multiply
    5,716.80x = 8,568.72 × 3,631.68
  4. Step 4: Simplify right side
    5,716.80x = 31,118,849.05
  5. Step 5: Solve for x
    x = 31,118,849.05/5,716.80
  6. Step 6: Final answer
    x = 5,443.40

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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.