Home / 5,199.70-7,175.74-2,841.92

Finding the Fourth Proportional to 5,199.70, 7,175.74 and 2,841.92

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Solution

The fourth proportional to 5,199.70, 7,175.74 and 2,841.92 is: 3,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.70 : 7,175.74 = 2,841.92 : x
  2. Step 2: Convert to fraction form
    5,199.70/7,175.74 = 2,841.92/x
  3. Step 3: Cross multiply
    5,199.70x = 7,175.74 × 2,841.92
  4. Step 4: Simplify right side
    5,199.70x = 20,392,879.02
  5. Step 5: Solve for x
    x = 20,392,879.02/5,199.70
  6. Step 6: Final answer
    x = 3,921.93

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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.