Home / 3,767.70-5,199.68-2,174.64

Finding the Fourth Proportional to 3,767.70, 5,199.68 and 2,174.64

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Solution

The fourth proportional to 3,767.70, 5,199.68 and 2,174.64 is: 3,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.70 : 5,199.68 = 2,174.64 : x
  2. Step 2: Convert to fraction form
    3,767.70/5,199.68 = 2,174.64/x
  3. Step 3: Cross multiply
    3,767.70x = 5,199.68 × 2,174.64
  4. Step 4: Simplify right side
    3,767.70x = 11,307,432.12
  5. Step 5: Solve for x
    x = 11,307,432.12/3,767.70
  6. Step 6: Final answer
    x = 3,001.15

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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.