Home / 5,240.53-7,231.60-2,850.48

Finding the Fourth Proportional to 5,240.53, 7,231.60 and 2,850.48

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Solution

The fourth proportional to 5,240.53, 7,231.60 and 2,850.48 is: 3,933.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.53 : 7,231.60 = 2,850.48 : x
  2. Step 2: Convert to fraction form
    5,240.53/7,231.60 = 2,850.48/x
  3. Step 3: Cross multiply
    5,240.53x = 7,231.60 × 2,850.48
  4. Step 4: Simplify right side
    5,240.53x = 20,613,536.28
  5. Step 5: Solve for x
    x = 20,613,536.28/5,240.53
  6. Step 6: Final answer
    x = 3,933.49

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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.