Home / 5,199.09-7,174.75-2,841.23

Finding the Fourth Proportional to 5,199.09, 7,174.75 and 2,841.23

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Solution

The fourth proportional to 5,199.09, 7,174.75 and 2,841.23 is: 3,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.09 : 7,174.75 = 2,841.23 : x
  2. Step 2: Convert to fraction form
    5,199.09/7,174.75 = 2,841.23/x
  3. Step 3: Cross multiply
    5,199.09x = 7,174.75 × 2,841.23
  4. Step 4: Simplify right side
    5,199.09x = 20,385,132.88
  5. Step 5: Solve for x
    x = 20,385,132.88/5,199.09
  6. Step 6: Final answer
    x = 3,920.90

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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.