Home / 3,675.88-5,070.57-2,679.97

Finding the Fourth Proportional to 3,675.88, 5,070.57 and 2,679.97

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Solution

The fourth proportional to 3,675.88, 5,070.57 and 2,679.97 is: 3,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.88 : 5,070.57 = 2,679.97 : x
  2. Step 2: Convert to fraction form
    3,675.88/5,070.57 = 2,679.97/x
  3. Step 3: Cross multiply
    3,675.88x = 5,070.57 × 2,679.97
  4. Step 4: Simplify right side
    3,675.88x = 13,588,975.48
  5. Step 5: Solve for x
    x = 13,588,975.48/3,675.88
  6. Step 6: Final answer
    x = 3,696.80

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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.