Home / 5,199.72-7,175.52-2,841.84

Finding the Fourth Proportional to 5,199.72, 7,175.52 and 2,841.84

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Solution

The fourth proportional to 5,199.72, 7,175.52 and 2,841.84 is: 3,921.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.72 : 7,175.52 = 2,841.84 : x
  2. Step 2: Convert to fraction form
    5,199.72/7,175.52 = 2,841.84/x
  3. Step 3: Cross multiply
    5,199.72x = 7,175.52 × 2,841.84
  4. Step 4: Simplify right side
    5,199.72x = 20,391,679.76
  5. Step 5: Solve for x
    x = 20,391,679.76/5,199.72
  6. Step 6: Final answer
    x = 3,921.69

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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.