Home / 3,173.62-4,375.40-2,604.38

Finding the Fourth Proportional to 3,173.62, 4,375.40 and 2,604.38

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Solution

The fourth proportional to 3,173.62, 4,375.40 and 2,604.38 is: 3,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.62 : 4,375.40 = 2,604.38 : x
  2. Step 2: Convert to fraction form
    3,173.62/4,375.40 = 2,604.38/x
  3. Step 3: Cross multiply
    3,173.62x = 4,375.40 × 2,604.38
  4. Step 4: Simplify right side
    3,173.62x = 11,395,204.25
  5. Step 5: Solve for x
    x = 11,395,204.25/3,173.62
  6. Step 6: Final answer
    x = 3,590.60

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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.