Home / 5,250.55-7,245.43-2,892.68

Finding the Fourth Proportional to 5,250.55, 7,245.43 and 2,892.68

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Solution

The fourth proportional to 5,250.55, 7,245.43 and 2,892.68 is: 3,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.55 : 7,245.43 = 2,892.68 : x
  2. Step 2: Convert to fraction form
    5,250.55/7,245.43 = 2,892.68/x
  3. Step 3: Cross multiply
    5,250.55x = 7,245.43 × 2,892.68
  4. Step 4: Simplify right side
    5,250.55x = 20,958,710.45
  5. Step 5: Solve for x
    x = 20,958,710.45/5,250.55
  6. Step 6: Final answer
    x = 3,991.72

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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.