Home / 3,649.36-5,474.85-1,183.72

Finding the Fourth Proportional to 3,649.36, 5,474.85 and 1,183.72

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Solution

The fourth proportional to 3,649.36, 5,474.85 and 1,183.72 is: 1,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.36 : 5,474.85 = 1,183.72 : x
  2. Step 2: Convert to fraction form
    3,649.36/5,474.85 = 1,183.72/x
  3. Step 3: Cross multiply
    3,649.36x = 5,474.85 × 1,183.72
  4. Step 4: Simplify right side
    3,649.36x = 6,480,689.44
  5. Step 5: Solve for x
    x = 6,480,689.44/3,649.36
  6. Step 6: Final answer
    x = 1,775.84

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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.