Home / 4,817.94-6,638.42-3,243.30

Finding the Fourth Proportional to 4,817.94, 6,638.42 and 3,243.30

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Solution

The fourth proportional to 4,817.94, 6,638.42 and 3,243.30 is: 4,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.94 : 6,638.42 = 3,243.30 : x
  2. Step 2: Convert to fraction form
    4,817.94/6,638.42 = 3,243.30/x
  3. Step 3: Cross multiply
    4,817.94x = 6,638.42 × 3,243.30
  4. Step 4: Simplify right side
    4,817.94x = 21,530,387.59
  5. Step 5: Solve for x
    x = 21,530,387.59/4,817.94
  6. Step 6: Final answer
    x = 4,468.80

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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.