Home / 4,107.05-5,668.26-2,847.45

Finding the Fourth Proportional to 4,107.05, 5,668.26 and 2,847.45

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Solution

The fourth proportional to 4,107.05, 5,668.26 and 2,847.45 is: 3,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.05 : 5,668.26 = 2,847.45 : x
  2. Step 2: Convert to fraction form
    4,107.05/5,668.26 = 2,847.45/x
  3. Step 3: Cross multiply
    4,107.05x = 5,668.26 × 2,847.45
  4. Step 4: Simplify right side
    4,107.05x = 16,140,086.94
  5. Step 5: Solve for x
    x = 16,140,086.94/4,107.05
  6. Step 6: Final answer
    x = 3,929.85

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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.