Home / 5,720.28-8,584.67-2,025.60

Finding the Fourth Proportional to 5,720.28, 8,584.67 and 2,025.60

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Solution

The fourth proportional to 5,720.28, 8,584.67 and 2,025.60 is: 3,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.28 : 8,584.67 = 2,025.60 : x
  2. Step 2: Convert to fraction form
    5,720.28/8,584.67 = 2,025.60/x
  3. Step 3: Cross multiply
    5,720.28x = 8,584.67 × 2,025.60
  4. Step 4: Simplify right side
    5,720.28x = 17,389,107.55
  5. Step 5: Solve for x
    x = 17,389,107.55/5,720.28
  6. Step 6: Final answer
    x = 3,039.90

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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.