Home / 3,738.96-5,159.36-2,167.52

Finding the Fourth Proportional to 3,738.96, 5,159.36 and 2,167.52

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Solution

The fourth proportional to 3,738.96, 5,159.36 and 2,167.52 is: 2,990.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.96 : 5,159.36 = 2,167.52 : x
  2. Step 2: Convert to fraction form
    3,738.96/5,159.36 = 2,167.52/x
  3. Step 3: Cross multiply
    3,738.96x = 5,159.36 × 2,167.52
  4. Step 4: Simplify right side
    3,738.96x = 11,183,015.99
  5. Step 5: Solve for x
    x = 11,183,015.99/3,738.96
  6. Step 6: Final answer
    x = 2,990.94

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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.