Home / 4,083.87-6,127.83-1,618.64

Finding the Fourth Proportional to 4,083.87, 6,127.83 and 1,618.64

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Solution

The fourth proportional to 4,083.87, 6,127.83 and 1,618.64 is: 2,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.87 : 6,127.83 = 1,618.64 : x
  2. Step 2: Convert to fraction form
    4,083.87/6,127.83 = 1,618.64/x
  3. Step 3: Cross multiply
    4,083.87x = 6,127.83 × 1,618.64
  4. Step 4: Simplify right side
    4,083.87x = 9,918,720.11
  5. Step 5: Solve for x
    x = 9,918,720.11/4,083.87
  6. Step 6: Final answer
    x = 2,428.76

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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.