Home / 5,199.77-7,175.69-2,841.91

Finding the Fourth Proportional to 5,199.77, 7,175.69 and 2,841.91

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Solution

The fourth proportional to 5,199.77, 7,175.69 and 2,841.91 is: 3,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.77 : 7,175.69 = 2,841.91 : x
  2. Step 2: Convert to fraction form
    5,199.77/7,175.69 = 2,841.91/x
  3. Step 3: Cross multiply
    5,199.77x = 7,175.69 × 2,841.91
  4. Step 4: Simplify right side
    5,199.77x = 20,392,663.86
  5. Step 5: Solve for x
    x = 20,392,663.86/5,199.77
  6. Step 6: Final answer
    x = 3,921.84

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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.