Home / 3,601.64-5,397.85-2,778.19

Finding the Fourth Proportional to 3,601.64, 5,397.85 and 2,778.19

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Solution

The fourth proportional to 3,601.64, 5,397.85 and 2,778.19 is: 4,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.64 : 5,397.85 = 2,778.19 : x
  2. Step 2: Convert to fraction form
    3,601.64/5,397.85 = 2,778.19/x
  3. Step 3: Cross multiply
    3,601.64x = 5,397.85 × 2,778.19
  4. Step 4: Simplify right side
    3,601.64x = 14,996,252.89
  5. Step 5: Solve for x
    x = 14,996,252.89/3,601.64
  6. Step 6: Final answer
    x = 4,163.73

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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.