Home / 2,939.18-4,407.88-1,183.62

Finding the Fourth Proportional to 2,939.18, 4,407.88 and 1,183.62

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Solution

The fourth proportional to 2,939.18, 4,407.88 and 1,183.62 is: 1,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.18 : 4,407.88 = 1,183.62 : x
  2. Step 2: Convert to fraction form
    2,939.18/4,407.88 = 1,183.62/x
  3. Step 3: Cross multiply
    2,939.18x = 4,407.88 × 1,183.62
  4. Step 4: Simplify right side
    2,939.18x = 5,217,254.93
  5. Step 5: Solve for x
    x = 5,217,254.93/2,939.18
  6. Step 6: Final answer
    x = 1,775.07

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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.