Home / 5,753.71-7,940.40-3,236.61

Finding the Fourth Proportional to 5,753.71, 7,940.40 and 3,236.61

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Solution

The fourth proportional to 5,753.71, 7,940.40 and 3,236.61 is: 4,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.71 : 7,940.40 = 3,236.61 : x
  2. Step 2: Convert to fraction form
    5,753.71/7,940.40 = 3,236.61/x
  3. Step 3: Cross multiply
    5,753.71x = 7,940.40 × 3,236.61
  4. Step 4: Simplify right side
    5,753.71x = 25,699,958.19
  5. Step 5: Solve for x
    x = 25,699,958.19/5,753.71
  6. Step 6: Final answer
    x = 4,466.68

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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.