Home / 5,199.36-7,175.16-2,841.56

Finding the Fourth Proportional to 5,199.36, 7,175.16 and 2,841.56

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Solution

The fourth proportional to 5,199.36, 7,175.16 and 2,841.56 is: 3,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.36 : 7,175.16 = 2,841.56 : x
  2. Step 2: Convert to fraction form
    5,199.36/7,175.16 = 2,841.56/x
  3. Step 3: Cross multiply
    5,199.36x = 7,175.16 × 2,841.56
  4. Step 4: Simplify right side
    5,199.36x = 20,388,647.65
  5. Step 5: Solve for x
    x = 20,388,647.65/5,199.36
  6. Step 6: Final answer
    x = 3,921.38

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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.