Home / 5,199.20-7,174.91-2,841.35

Finding the Fourth Proportional to 5,199.20, 7,174.91 and 2,841.35

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Solution

The fourth proportional to 5,199.20, 7,174.91 and 2,841.35 is: 3,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.20 : 7,174.91 = 2,841.35 : x
  2. Step 2: Convert to fraction form
    5,199.20/7,174.91 = 2,841.35/x
  3. Step 3: Cross multiply
    5,199.20x = 7,174.91 × 2,841.35
  4. Step 4: Simplify right side
    5,199.20x = 20,386,380.45
  5. Step 5: Solve for x
    x = 20,386,380.45/5,199.20
  6. Step 6: Final answer
    x = 3,921.06

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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.