Home / 5,233.48-7,861.46-3,287.05

Finding the Fourth Proportional to 5,233.48, 7,861.46 and 3,287.05

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Solution

The fourth proportional to 5,233.48, 7,861.46 and 3,287.05 is: 4,937.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.48 : 7,861.46 = 3,287.05 : x
  2. Step 2: Convert to fraction form
    5,233.48/7,861.46 = 3,287.05/x
  3. Step 3: Cross multiply
    5,233.48x = 7,861.46 × 3,287.05
  4. Step 4: Simplify right side
    5,233.48x = 25,840,976.00
  5. Step 5: Solve for x
    x = 25,840,976.00/5,233.48
  6. Step 6: Final answer
    x = 4,937.63

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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.