Home / 5,175.08-7,759.38-3,418.22

Finding the Fourth Proportional to 5,175.08, 7,759.38 and 3,418.22

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Solution

The fourth proportional to 5,175.08, 7,759.38 and 3,418.22 is: 5,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.08 : 7,759.38 = 3,418.22 : x
  2. Step 2: Convert to fraction form
    5,175.08/7,759.38 = 3,418.22/x
  3. Step 3: Cross multiply
    5,175.08x = 7,759.38 × 3,418.22
  4. Step 4: Simplify right side
    5,175.08x = 26,523,267.90
  5. Step 5: Solve for x
    x = 26,523,267.90/5,175.08
  6. Step 6: Final answer
    x = 5,125.19

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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.