Home / 5,200.03-7,175.55-3,103.75

Finding the Fourth Proportional to 5,200.03, 7,175.55 and 3,103.75

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Solution

The fourth proportional to 5,200.03, 7,175.55 and 3,103.75 is: 4,282.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.03 : 7,175.55 = 3,103.75 : x
  2. Step 2: Convert to fraction form
    5,200.03/7,175.55 = 3,103.75/x
  3. Step 3: Cross multiply
    5,200.03x = 7,175.55 × 3,103.75
  4. Step 4: Simplify right side
    5,200.03x = 22,271,113.31
  5. Step 5: Solve for x
    x = 22,271,113.31/5,200.03
  6. Step 6: Final answer
    x = 4,282.88

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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.