Home / 7,101.24-10,653.53-2,171.28

Finding the Fourth Proportional to 7,101.24, 10,653.53 and 2,171.28

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Solution

The fourth proportional to 7,101.24, 10,653.53 and 2,171.28 is: 3,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.24 : 10,653.53 = 2,171.28 : x
  2. Step 2: Convert to fraction form
    7,101.24/10,653.53 = 2,171.28/x
  3. Step 3: Cross multiply
    7,101.24x = 10,653.53 × 2,171.28
  4. Step 4: Simplify right side
    7,101.24x = 23,131,796.62
  5. Step 5: Solve for x
    x = 23,131,796.62/7,101.24
  6. Step 6: Final answer
    x = 3,257.43

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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.