Home / 4,132.91-5,706.27-2,790.56

Finding the Fourth Proportional to 4,132.91, 5,706.27 and 2,790.56

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Solution

The fourth proportional to 4,132.91, 5,706.27 and 2,790.56 is: 3,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,132.91 : 5,706.27 = 2,790.56 : x
  2. Step 2: Convert to fraction form
    4,132.91/5,706.27 = 2,790.56/x
  3. Step 3: Cross multiply
    4,132.91x = 5,706.27 × 2,790.56
  4. Step 4: Simplify right side
    4,132.91x = 15,923,660.28
  5. Step 5: Solve for x
    x = 15,923,660.28/4,132.91
  6. Step 6: Final answer
    x = 3,852.90

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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.