Home / 5,240.24-7,231.64-2,850.34

Finding the Fourth Proportional to 5,240.24, 7,231.64 and 2,850.34

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Solution

The fourth proportional to 5,240.24, 7,231.64 and 2,850.34 is: 3,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.24 : 7,231.64 = 2,850.34 : x
  2. Step 2: Convert to fraction form
    5,240.24/7,231.64 = 2,850.34/x
  3. Step 3: Cross multiply
    5,240.24x = 7,231.64 × 2,850.34
  4. Step 4: Simplify right side
    5,240.24x = 20,612,632.76
  5. Step 5: Solve for x
    x = 20,612,632.76/5,240.24
  6. Step 6: Final answer
    x = 3,933.53

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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.