Home / 7,101.79-10,654.21-2,171.27

Finding the Fourth Proportional to 7,101.79, 10,654.21 and 2,171.27

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Solution

The fourth proportional to 7,101.79, 10,654.21 and 2,171.27 is: 3,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.79 : 10,654.21 = 2,171.27 : x
  2. Step 2: Convert to fraction form
    7,101.79/10,654.21 = 2,171.27/x
  3. Step 3: Cross multiply
    7,101.79x = 10,654.21 × 2,171.27
  4. Step 4: Simplify right side
    7,101.79x = 23,133,166.55
  5. Step 5: Solve for x
    x = 23,133,166.55/7,101.79
  6. Step 6: Final answer
    x = 3,257.37

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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.