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Finding the Fourth Proportional to 5,881.91, 8,117.21 and 3,329.47

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Solution

The fourth proportional to 5,881.91, 8,117.21 and 3,329.47 is: 4,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.91 : 8,117.21 = 3,329.47 : x
  2. Step 2: Convert to fraction form
    5,881.91/8,117.21 = 3,329.47/x
  3. Step 3: Cross multiply
    5,881.91x = 8,117.21 × 3,329.47
  4. Step 4: Simplify right side
    5,881.91x = 27,025,949.95
  5. Step 5: Solve for x
    x = 27,025,949.95/5,881.91
  6. Step 6: Final answer
    x = 4,594.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.