Home / 7,270.24-10,892.82-3,985.66

Finding the Fourth Proportional to 7,270.24, 10,892.82 and 3,985.66

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Solution

The fourth proportional to 7,270.24, 10,892.82 and 3,985.66 is: 5,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.24 : 10,892.82 = 3,985.66 : x
  2. Step 2: Convert to fraction form
    7,270.24/10,892.82 = 3,985.66/x
  3. Step 3: Cross multiply
    7,270.24x = 10,892.82 × 3,985.66
  4. Step 4: Simplify right side
    7,270.24x = 43,415,076.96
  5. Step 5: Solve for x
    x = 43,415,076.96/7,270.24
  6. Step 6: Final answer
    x = 5,971.62

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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.