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Finding the Fourth Proportional to 3,571.91, 5,354.97 and 1,493.51

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Solution

The fourth proportional to 3,571.91, 5,354.97 and 1,493.51 is: 2,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.91 : 5,354.97 = 1,493.51 : x
  2. Step 2: Convert to fraction form
    3,571.91/5,354.97 = 1,493.51/x
  3. Step 3: Cross multiply
    3,571.91x = 5,354.97 × 1,493.51
  4. Step 4: Simplify right side
    3,571.91x = 7,997,674.47
  5. Step 5: Solve for x
    x = 7,997,674.47/3,571.91
  6. Step 6: Final answer
    x = 2,239.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.