Home / 6,172.24-8,518.35-3,519.88

Finding the Fourth Proportional to 6,172.24, 8,518.35 and 3,519.88

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Solution

The fourth proportional to 6,172.24, 8,518.35 and 3,519.88 is: 4,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.24 : 8,518.35 = 3,519.88 : x
  2. Step 2: Convert to fraction form
    6,172.24/8,518.35 = 3,519.88/x
  3. Step 3: Cross multiply
    6,172.24x = 8,518.35 × 3,519.88
  4. Step 4: Simplify right side
    6,172.24x = 29,983,569.80
  5. Step 5: Solve for x
    x = 29,983,569.80/6,172.24
  6. Step 6: Final answer
    x = 4,857.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.