Home / 4,077.92-5,627.37-2,309.42

Finding the Fourth Proportional to 4,077.92, 5,627.37 and 2,309.42

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Solution

The fourth proportional to 4,077.92, 5,627.37 and 2,309.42 is: 3,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.92 : 5,627.37 = 2,309.42 : x
  2. Step 2: Convert to fraction form
    4,077.92/5,627.37 = 2,309.42/x
  3. Step 3: Cross multiply
    4,077.92x = 5,627.37 × 2,309.42
  4. Step 4: Simplify right side
    4,077.92x = 12,995,960.83
  5. Step 5: Solve for x
    x = 12,995,960.83/4,077.92
  6. Step 6: Final answer
    x = 3,186.91

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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.