Home / 3,790.06-5,231.01-2,134.06

Finding the Fourth Proportional to 3,790.06, 5,231.01 and 2,134.06

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Solution

The fourth proportional to 3,790.06, 5,231.01 and 2,134.06 is: 2,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.06 : 5,231.01 = 2,134.06 : x
  2. Step 2: Convert to fraction form
    3,790.06/5,231.01 = 2,134.06/x
  3. Step 3: Cross multiply
    3,790.06x = 5,231.01 × 2,134.06
  4. Step 4: Simplify right side
    3,790.06x = 11,163,289.20
  5. Step 5: Solve for x
    x = 11,163,289.20/3,790.06
  6. Step 6: Final answer
    x = 2,945.41

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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.