Home / 5,453.61-8,185.08-2,169.02

Finding the Fourth Proportional to 5,453.61, 8,185.08 and 2,169.02

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Solution

The fourth proportional to 5,453.61, 8,185.08 and 2,169.02 is: 3,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.61 : 8,185.08 = 2,169.02 : x
  2. Step 2: Convert to fraction form
    5,453.61/8,185.08 = 2,169.02/x
  3. Step 3: Cross multiply
    5,453.61x = 8,185.08 × 2,169.02
  4. Step 4: Simplify right side
    5,453.61x = 17,753,561.30
  5. Step 5: Solve for x
    x = 17,753,561.30/5,453.61
  6. Step 6: Final answer
    x = 3,255.38

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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.