Home / 5,720.22-8,583.62-3,087.72

Finding the Fourth Proportional to 5,720.22, 8,583.62 and 3,087.72

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Solution

The fourth proportional to 5,720.22, 8,583.62 and 3,087.72 is: 4,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.22 : 8,583.62 = 3,087.72 : x
  2. Step 2: Convert to fraction form
    5,720.22/8,583.62 = 3,087.72/x
  3. Step 3: Cross multiply
    5,720.22x = 8,583.62 × 3,087.72
  4. Step 4: Simplify right side
    5,720.22x = 26,503,815.15
  5. Step 5: Solve for x
    x = 26,503,815.15/5,720.22
  6. Step 6: Final answer
    x = 4,633.36

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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.