Home / 3,765.99-5,197.24-2,087.43

Finding the Fourth Proportional to 3,765.99, 5,197.24 and 2,087.43

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Solution

The fourth proportional to 3,765.99, 5,197.24 and 2,087.43 is: 2,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.99 : 5,197.24 = 2,087.43 : x
  2. Step 2: Convert to fraction form
    3,765.99/5,197.24 = 2,087.43/x
  3. Step 3: Cross multiply
    3,765.99x = 5,197.24 × 2,087.43
  4. Step 4: Simplify right side
    3,765.99x = 10,848,887.69
  5. Step 5: Solve for x
    x = 10,848,887.69/3,765.99
  6. Step 6: Final answer
    x = 2,880.75

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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.