Home / 3,935.96-5,901.39-2,087.94

Finding the Fourth Proportional to 3,935.96, 5,901.39 and 2,087.94

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Solution

The fourth proportional to 3,935.96, 5,901.39 and 2,087.94 is: 3,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.96 : 5,901.39 = 2,087.94 : x
  2. Step 2: Convert to fraction form
    3,935.96/5,901.39 = 2,087.94/x
  3. Step 3: Cross multiply
    3,935.96x = 5,901.39 × 2,087.94
  4. Step 4: Simplify right side
    3,935.96x = 12,321,748.24
  5. Step 5: Solve for x
    x = 12,321,748.24/3,935.96
  6. Step 6: Final answer
    x = 3,130.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.