Home / 5,199.16-7,174.74-2,841.22

Finding the Fourth Proportional to 5,199.16, 7,174.74 and 2,841.22

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Solution

The fourth proportional to 5,199.16, 7,174.74 and 2,841.22 is: 3,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.16 : 7,174.74 = 2,841.22 : x
  2. Step 2: Convert to fraction form
    5,199.16/7,174.74 = 2,841.22/x
  3. Step 3: Cross multiply
    5,199.16x = 7,174.74 × 2,841.22
  4. Step 4: Simplify right side
    5,199.16x = 20,385,014.78
  5. Step 5: Solve for x
    x = 20,385,014.78/5,199.16
  6. Step 6: Final answer
    x = 3,920.83

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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.