Home / 5,200.09-7,175.85-2,841.77

Finding the Fourth Proportional to 5,200.09, 7,175.85 and 2,841.77

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Solution

The fourth proportional to 5,200.09, 7,175.85 and 2,841.77 is: 3,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.09 : 7,175.85 = 2,841.77 : x
  2. Step 2: Convert to fraction form
    5,200.09/7,175.85 = 2,841.77/x
  3. Step 3: Cross multiply
    5,200.09x = 7,175.85 × 2,841.77
  4. Step 4: Simplify right side
    5,200.09x = 20,392,115.25
  5. Step 5: Solve for x
    x = 20,392,115.25/5,200.09
  6. Step 6: Final answer
    x = 3,921.49

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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.