Home / 5,199.96-7,175.98-2,842.14

Finding the Fourth Proportional to 5,199.96, 7,175.98 and 2,842.14

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Solution

The fourth proportional to 5,199.96, 7,175.98 and 2,842.14 is: 3,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.96 : 7,175.98 = 2,842.14 : x
  2. Step 2: Convert to fraction form
    5,199.96/7,175.98 = 2,842.14/x
  3. Step 3: Cross multiply
    5,199.96x = 7,175.98 × 2,842.14
  4. Step 4: Simplify right side
    5,199.96x = 20,395,139.80
  5. Step 5: Solve for x
    x = 20,395,139.80/5,199.96
  6. Step 6: Final answer
    x = 3,922.17

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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.