Home / 4,176.76-5,767.83-2,687.26

Finding the Fourth Proportional to 4,176.76, 5,767.83 and 2,687.26

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Solution

The fourth proportional to 4,176.76, 5,767.83 and 2,687.26 is: 3,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.76 : 5,767.83 = 2,687.26 : x
  2. Step 2: Convert to fraction form
    4,176.76/5,767.83 = 2,687.26/x
  3. Step 3: Cross multiply
    4,176.76x = 5,767.83 × 2,687.26
  4. Step 4: Simplify right side
    4,176.76x = 15,499,658.85
  5. Step 5: Solve for x
    x = 15,499,658.85/4,176.76
  6. Step 6: Final answer
    x = 3,710.93

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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.