Home / 3,950.70-5,451.74-2,270.93

Finding the Fourth Proportional to 3,950.70, 5,451.74 and 2,270.93

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Solution

The fourth proportional to 3,950.70, 5,451.74 and 2,270.93 is: 3,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.70 : 5,451.74 = 2,270.93 : x
  2. Step 2: Convert to fraction form
    3,950.70/5,451.74 = 2,270.93/x
  3. Step 3: Cross multiply
    3,950.70x = 5,451.74 × 2,270.93
  4. Step 4: Simplify right side
    3,950.70x = 12,380,481.30
  5. Step 5: Solve for x
    x = 12,380,481.30/3,950.70
  6. Step 6: Final answer
    x = 3,133.74

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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.