Home / 5,199.03-7,175.48-3,311.43

Finding the Fourth Proportional to 5,199.03, 7,175.48 and 3,311.43

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Solution

The fourth proportional to 5,199.03, 7,175.48 and 3,311.43 is: 4,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.03 : 7,175.48 = 3,311.43 : x
  2. Step 2: Convert to fraction form
    5,199.03/7,175.48 = 3,311.43/x
  3. Step 3: Cross multiply
    5,199.03x = 7,175.48 × 3,311.43
  4. Step 4: Simplify right side
    5,199.03x = 23,761,047.30
  5. Step 5: Solve for x
    x = 23,761,047.30/5,199.03
  6. Step 6: Final answer
    x = 4,570.28

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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.