Home / 4,121.02-5,687.24-2,353.20

Finding the Fourth Proportional to 4,121.02, 5,687.24 and 2,353.20

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Solution

The fourth proportional to 4,121.02, 5,687.24 and 2,353.20 is: 3,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.02 : 5,687.24 = 2,353.20 : x
  2. Step 2: Convert to fraction form
    4,121.02/5,687.24 = 2,353.20/x
  3. Step 3: Cross multiply
    4,121.02x = 5,687.24 × 2,353.20
  4. Step 4: Simplify right side
    4,121.02x = 13,383,213.17
  5. Step 5: Solve for x
    x = 13,383,213.17/4,121.02
  6. Step 6: Final answer
    x = 3,247.55

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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.