Home / 2,767.10-4,142.44-1,668.13

Finding the Fourth Proportional to 2,767.10, 4,142.44 and 1,668.13

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Solution

The fourth proportional to 2,767.10, 4,142.44 and 1,668.13 is: 2,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.10 : 4,142.44 = 1,668.13 : x
  2. Step 2: Convert to fraction form
    2,767.10/4,142.44 = 1,668.13/x
  3. Step 3: Cross multiply
    2,767.10x = 4,142.44 × 1,668.13
  4. Step 4: Simplify right side
    2,767.10x = 6,910,120.17
  5. Step 5: Solve for x
    x = 6,910,120.17/2,767.10
  6. Step 6: Final answer
    x = 2,497.25

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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.