Home / 5,422.02-7,481.40-3,183.99

Finding the Fourth Proportional to 5,422.02, 7,481.40 and 3,183.99

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Solution

The fourth proportional to 5,422.02, 7,481.40 and 3,183.99 is: 4,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.02 : 7,481.40 = 3,183.99 : x
  2. Step 2: Convert to fraction form
    5,422.02/7,481.40 = 3,183.99/x
  3. Step 3: Cross multiply
    5,422.02x = 7,481.40 × 3,183.99
  4. Step 4: Simplify right side
    5,422.02x = 23,820,702.79
  5. Step 5: Solve for x
    x = 23,820,702.79/5,422.02
  6. Step 6: Final answer
    x = 4,393.33

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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.