Home / 5,411.97-8,117.01-1,516.68

Finding the Fourth Proportional to 5,411.97, 8,117.01 and 1,516.68

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Solution

The fourth proportional to 5,411.97, 8,117.01 and 1,516.68 is: 2,274.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.97 : 8,117.01 = 1,516.68 : x
  2. Step 2: Convert to fraction form
    5,411.97/8,117.01 = 1,516.68/x
  3. Step 3: Cross multiply
    5,411.97x = 8,117.01 × 1,516.68
  4. Step 4: Simplify right side
    5,411.97x = 12,310,906.73
  5. Step 5: Solve for x
    x = 12,310,906.73/5,411.97
  6. Step 6: Final answer
    x = 2,274.76

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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.