Home / 5,445.77-8,168.61-1,983.02

Finding the Fourth Proportional to 5,445.77, 8,168.61 and 1,983.02

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Solution

The fourth proportional to 5,445.77, 8,168.61 and 1,983.02 is: 2,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.77 : 8,168.61 = 1,983.02 : x
  2. Step 2: Convert to fraction form
    5,445.77/8,168.61 = 1,983.02/x
  3. Step 3: Cross multiply
    5,445.77x = 8,168.61 × 1,983.02
  4. Step 4: Simplify right side
    5,445.77x = 16,198,517.00
  5. Step 5: Solve for x
    x = 16,198,517.00/5,445.77
  6. Step 6: Final answer
    x = 2,974.51

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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.