Home / 5,250.71-7,245.72-2,892.41

Finding the Fourth Proportional to 5,250.71, 7,245.72 and 2,892.41

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Solution

The fourth proportional to 5,250.71, 7,245.72 and 2,892.41 is: 3,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.71 : 7,245.72 = 2,892.41 : x
  2. Step 2: Convert to fraction form
    5,250.71/7,245.72 = 2,892.41/x
  3. Step 3: Cross multiply
    5,250.71x = 7,245.72 × 2,892.41
  4. Step 4: Simplify right side
    5,250.71x = 20,957,592.99
  5. Step 5: Solve for x
    x = 20,957,592.99/5,250.71
  6. Step 6: Final answer
    x = 3,991.38

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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.