Home / 5,169.15-7,753.68-1,273.59

Finding the Fourth Proportional to 5,169.15, 7,753.68 and 1,273.59

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Solution

The fourth proportional to 5,169.15, 7,753.68 and 1,273.59 is: 1,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.15 : 7,753.68 = 1,273.59 : x
  2. Step 2: Convert to fraction form
    5,169.15/7,753.68 = 1,273.59/x
  3. Step 3: Cross multiply
    5,169.15x = 7,753.68 × 1,273.59
  4. Step 4: Simplify right side
    5,169.15x = 9,875,009.31
  5. Step 5: Solve for x
    x = 9,875,009.31/5,169.15
  6. Step 6: Final answer
    x = 1,910.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.