Home / 3,743.10-5,164.88-2,170.89

Finding the Fourth Proportional to 3,743.10, 5,164.88 and 2,170.89

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Solution

The fourth proportional to 3,743.10, 5,164.88 and 2,170.89 is: 2,995.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.10 : 5,164.88 = 2,170.89 : x
  2. Step 2: Convert to fraction form
    3,743.10/5,164.88 = 2,170.89/x
  3. Step 3: Cross multiply
    3,743.10x = 5,164.88 × 2,170.89
  4. Step 4: Simplify right side
    3,743.10x = 11,212,375.49
  5. Step 5: Solve for x
    x = 11,212,375.49/3,743.10
  6. Step 6: Final answer
    x = 2,995.48

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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.