Home / 5,199.28-7,175.20-2,841.52

Finding the Fourth Proportional to 5,199.28, 7,175.20 and 2,841.52

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Solution

The fourth proportional to 5,199.28, 7,175.20 and 2,841.52 is: 3,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.28 : 7,175.20 = 2,841.52 : x
  2. Step 2: Convert to fraction form
    5,199.28/7,175.20 = 2,841.52/x
  3. Step 3: Cross multiply
    5,199.28x = 7,175.20 × 2,841.52
  4. Step 4: Simplify right side
    5,199.28x = 20,388,474.30
  5. Step 5: Solve for x
    x = 20,388,474.30/5,199.28
  6. Step 6: Final answer
    x = 3,921.40

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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.