Home / 4,197.04-6,287.78-2,112.02

Finding the Fourth Proportional to 4,197.04, 6,287.78 and 2,112.02

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Solution

The fourth proportional to 4,197.04, 6,287.78 and 2,112.02 is: 3,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,197.04 : 6,287.78 = 2,112.02 : x
  2. Step 2: Convert to fraction form
    4,197.04/6,287.78 = 2,112.02/x
  3. Step 3: Cross multiply
    4,197.04x = 6,287.78 × 2,112.02
  4. Step 4: Simplify right side
    4,197.04x = 13,279,938.02
  5. Step 5: Solve for x
    x = 13,279,938.02/4,197.04
  6. Step 6: Final answer
    x = 3,164.12

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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.