Home / 5,261.24-7,260.18-2,871.03

Finding the Fourth Proportional to 5,261.24, 7,260.18 and 2,871.03

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Solution

The fourth proportional to 5,261.24, 7,260.18 and 2,871.03 is: 3,961.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.24 : 7,260.18 = 2,871.03 : x
  2. Step 2: Convert to fraction form
    5,261.24/7,260.18 = 2,871.03/x
  3. Step 3: Cross multiply
    5,261.24x = 7,260.18 × 2,871.03
  4. Step 4: Simplify right side
    5,261.24x = 20,844,194.59
  5. Step 5: Solve for x
    x = 20,844,194.59/5,261.24
  6. Step 6: Final answer
    x = 3,961.84

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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.