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Finding the Fourth Proportional to 5,410.86, 7,467.03 and 2,926.86

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Solution

The fourth proportional to 5,410.86, 7,467.03 and 2,926.86 is: 4,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.86 : 7,467.03 = 2,926.86 : x
  2. Step 2: Convert to fraction form
    5,410.86/7,467.03 = 2,926.86/x
  3. Step 3: Cross multiply
    5,410.86x = 7,467.03 × 2,926.86
  4. Step 4: Simplify right side
    5,410.86x = 21,854,951.43
  5. Step 5: Solve for x
    x = 21,854,951.43/5,410.86
  6. Step 6: Final answer
    x = 4,039.09

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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.