Home / 5,201.20-7,181.41-3,214.48

Finding the Fourth Proportional to 5,201.20, 7,181.41 and 3,214.48

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Solution

The fourth proportional to 5,201.20, 7,181.41 and 3,214.48 is: 4,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.20 : 7,181.41 = 3,214.48 : x
  2. Step 2: Convert to fraction form
    5,201.20/7,181.41 = 3,214.48/x
  3. Step 3: Cross multiply
    5,201.20x = 7,181.41 × 3,214.48
  4. Step 4: Simplify right side
    5,201.20x = 23,084,462.91
  5. Step 5: Solve for x
    x = 23,084,462.91/5,201.20
  6. Step 6: Final answer
    x = 4,438.30

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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.