Home / 3,647.38-5,470.47-1,183.96

Finding the Fourth Proportional to 3,647.38, 5,470.47 and 1,183.96

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Solution

The fourth proportional to 3,647.38, 5,470.47 and 1,183.96 is: 1,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.38 : 5,470.47 = 1,183.96 : x
  2. Step 2: Convert to fraction form
    3,647.38/5,470.47 = 1,183.96/x
  3. Step 3: Cross multiply
    3,647.38x = 5,470.47 × 1,183.96
  4. Step 4: Simplify right side
    3,647.38x = 6,476,817.66
  5. Step 5: Solve for x
    x = 6,476,817.66/3,647.38
  6. Step 6: Final answer
    x = 1,775.75

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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.