Home / 3,445.89-5,181.27-3,175.23

Finding the Fourth Proportional to 3,445.89, 5,181.27 and 3,175.23

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Solution

The fourth proportional to 3,445.89, 5,181.27 and 3,175.23 is: 4,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.89 : 5,181.27 = 3,175.23 : x
  2. Step 2: Convert to fraction form
    3,445.89/5,181.27 = 3,175.23/x
  3. Step 3: Cross multiply
    3,445.89x = 5,181.27 × 3,175.23
  4. Step 4: Simplify right side
    3,445.89x = 16,451,723.94
  5. Step 5: Solve for x
    x = 16,451,723.94/3,445.89
  6. Step 6: Final answer
    x = 4,774.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.