Home / 3,790.48-5,229.96-2,134.48

Finding the Fourth Proportional to 3,790.48, 5,229.96 and 2,134.48

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Solution

The fourth proportional to 3,790.48, 5,229.96 and 2,134.48 is: 2,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.48 : 5,229.96 = 2,134.48 : x
  2. Step 2: Convert to fraction form
    3,790.48/5,229.96 = 2,134.48/x
  3. Step 3: Cross multiply
    3,790.48x = 5,229.96 × 2,134.48
  4. Step 4: Simplify right side
    3,790.48x = 11,163,245.02
  5. Step 5: Solve for x
    x = 11,163,245.02/3,790.48
  6. Step 6: Final answer
    x = 2,945.07

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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.