Home / 7,245.26-9,997.79-4,101.45

Finding the Fourth Proportional to 7,245.26, 9,997.79 and 4,101.45

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Solution

The fourth proportional to 7,245.26, 9,997.79 and 4,101.45 is: 5,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.26 : 9,997.79 = 4,101.45 : x
  2. Step 2: Convert to fraction form
    7,245.26/9,997.79 = 4,101.45/x
  3. Step 3: Cross multiply
    7,245.26x = 9,997.79 × 4,101.45
  4. Step 4: Simplify right side
    7,245.26x = 41,005,415.29
  5. Step 5: Solve for x
    x = 41,005,415.29/7,245.26
  6. Step 6: Final answer
    x = 5,659.62

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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.