Home / 5,375.30-7,415.15-4,028.27

Finding the Fourth Proportional to 5,375.30, 7,415.15 and 4,028.27

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Solution

The fourth proportional to 5,375.30, 7,415.15 and 4,028.27 is: 5,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.30 : 7,415.15 = 4,028.27 : x
  2. Step 2: Convert to fraction form
    5,375.30/7,415.15 = 4,028.27/x
  3. Step 3: Cross multiply
    5,375.30x = 7,415.15 × 4,028.27
  4. Step 4: Simplify right side
    5,375.30x = 29,870,169.07
  5. Step 5: Solve for x
    x = 29,870,169.07/5,375.30
  6. Step 6: Final answer
    x = 5,556.94

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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.