Home / 2,516.42-3,767.87-1,636.30

Finding the Fourth Proportional to 2,516.42, 3,767.87 and 1,636.30

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Solution

The fourth proportional to 2,516.42, 3,767.87 and 1,636.30 is: 2,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.42 : 3,767.87 = 1,636.30 : x
  2. Step 2: Convert to fraction form
    2,516.42/3,767.87 = 1,636.30/x
  3. Step 3: Cross multiply
    2,516.42x = 3,767.87 × 1,636.30
  4. Step 4: Simplify right side
    2,516.42x = 6,165,365.28
  5. Step 5: Solve for x
    x = 6,165,365.28/2,516.42
  6. Step 6: Final answer
    x = 2,450.06

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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.