Home / 5,199.12-7,174.71-2,841.27

Finding the Fourth Proportional to 5,199.12, 7,174.71 and 2,841.27

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Solution

The fourth proportional to 5,199.12, 7,174.71 and 2,841.27 is: 3,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.12 : 7,174.71 = 2,841.27 : x
  2. Step 2: Convert to fraction form
    5,199.12/7,174.71 = 2,841.27/x
  3. Step 3: Cross multiply
    5,199.12x = 7,174.71 × 2,841.27
  4. Step 4: Simplify right side
    5,199.12x = 20,385,288.28
  5. Step 5: Solve for x
    x = 20,385,288.28/5,199.12
  6. Step 6: Final answer
    x = 3,920.91

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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.