Home / 5,684.80-8,529.78-2,563.12

Finding the Fourth Proportional to 5,684.80, 8,529.78 and 2,563.12

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Solution

The fourth proportional to 5,684.80, 8,529.78 and 2,563.12 is: 3,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684.80 : 8,529.78 = 2,563.12 : x
  2. Step 2: Convert to fraction form
    5,684.80/8,529.78 = 2,563.12/x
  3. Step 3: Cross multiply
    5,684.80x = 8,529.78 × 2,563.12
  4. Step 4: Simplify right side
    5,684.80x = 21,862,849.71
  5. Step 5: Solve for x
    x = 21,862,849.71/5,684.80
  6. Step 6: Final answer
    x = 3,845.84

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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.