Home / 5,250.25-7,245.36-2,892.38

Finding the Fourth Proportional to 5,250.25, 7,245.36 and 2,892.38

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Solution

The fourth proportional to 5,250.25, 7,245.36 and 2,892.38 is: 3,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.25 : 7,245.36 = 2,892.38 : x
  2. Step 2: Convert to fraction form
    5,250.25/7,245.36 = 2,892.38/x
  3. Step 3: Cross multiply
    5,250.25x = 7,245.36 × 2,892.38
  4. Step 4: Simplify right side
    5,250.25x = 20,956,319.89
  5. Step 5: Solve for x
    x = 20,956,319.89/5,250.25
  6. Step 6: Final answer
    x = 3,991.49

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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.