Home / 5,243.61-7,235.75-3,253.44

Finding the Fourth Proportional to 5,243.61, 7,235.75 and 3,253.44

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Solution

The fourth proportional to 5,243.61, 7,235.75 and 3,253.44 is: 4,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.61 : 7,235.75 = 3,253.44 : x
  2. Step 2: Convert to fraction form
    5,243.61/7,235.75 = 3,253.44/x
  3. Step 3: Cross multiply
    5,243.61x = 7,235.75 × 3,253.44
  4. Step 4: Simplify right side
    5,243.61x = 23,541,086.61
  5. Step 5: Solve for x
    x = 23,541,086.61/5,243.61
  6. Step 6: Final answer
    x = 4,489.48

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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.