Home / 5,240.55-7,232.05-2,850.57

Finding the Fourth Proportional to 5,240.55, 7,232.05 and 2,850.57

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Solution

The fourth proportional to 5,240.55, 7,232.05 and 2,850.57 is: 3,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.55 : 7,232.05 = 2,850.57 : x
  2. Step 2: Convert to fraction form
    5,240.55/7,232.05 = 2,850.57/x
  3. Step 3: Cross multiply
    5,240.55x = 7,232.05 × 2,850.57
  4. Step 4: Simplify right side
    5,240.55x = 20,615,421.48
  5. Step 5: Solve for x
    x = 20,615,421.48/5,240.55
  6. Step 6: Final answer
    x = 3,933.83

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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.