Home / 6,072.87-8,385.62-4,089.99

Finding the Fourth Proportional to 6,072.87, 8,385.62 and 4,089.99

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Solution

The fourth proportional to 6,072.87, 8,385.62 and 4,089.99 is: 5,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.87 : 8,385.62 = 4,089.99 : x
  2. Step 2: Convert to fraction form
    6,072.87/8,385.62 = 4,089.99/x
  3. Step 3: Cross multiply
    6,072.87x = 8,385.62 × 4,089.99
  4. Step 4: Simplify right side
    6,072.87x = 34,297,101.94
  5. Step 5: Solve for x
    x = 34,297,101.94/6,072.87
  6. Step 6: Final answer
    x = 5,647.59

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Why These Related Problems?

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