Home / 5,447.77-8,174.85-2,160.46

Finding the Fourth Proportional to 5,447.77, 8,174.85 and 2,160.46

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Solution

The fourth proportional to 5,447.77, 8,174.85 and 2,160.46 is: 3,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.77 : 8,174.85 = 2,160.46 : x
  2. Step 2: Convert to fraction form
    5,447.77/8,174.85 = 2,160.46/x
  3. Step 3: Cross multiply
    5,447.77x = 8,174.85 × 2,160.46
  4. Step 4: Simplify right side
    5,447.77x = 17,661,384.75
  5. Step 5: Solve for x
    x = 17,661,384.75/5,447.77
  6. Step 6: Final answer
    x = 3,241.95

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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.