Home / 5,175.88-7,144.44-3,051.34

Finding the Fourth Proportional to 5,175.88, 7,144.44 and 3,051.34

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Solution

The fourth proportional to 5,175.88, 7,144.44 and 3,051.34 is: 4,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.88 : 7,144.44 = 3,051.34 : x
  2. Step 2: Convert to fraction form
    5,175.88/7,144.44 = 3,051.34/x
  3. Step 3: Cross multiply
    5,175.88x = 7,144.44 × 3,051.34
  4. Step 4: Simplify right side
    5,175.88x = 21,800,115.55
  5. Step 5: Solve for x
    x = 21,800,115.55/5,175.88
  6. Step 6: Final answer
    x = 4,211.87

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1.5x scale

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.