Home / 5,199.44-7,175.39-3,429.72

Finding the Fourth Proportional to 5,199.44, 7,175.39 and 3,429.72

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Solution

The fourth proportional to 5,199.44, 7,175.39 and 3,429.72 is: 4,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.44 : 7,175.39 = 3,429.72 : x
  2. Step 2: Convert to fraction form
    5,199.44/7,175.39 = 3,429.72/x
  3. Step 3: Cross multiply
    5,199.44x = 7,175.39 × 3,429.72
  4. Step 4: Simplify right side
    5,199.44x = 24,609,561.44
  5. Step 5: Solve for x
    x = 24,609,561.44/5,199.44
  6. Step 6: Final answer
    x = 4,733.12

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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.