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Finding the Fourth Proportional to 5,594.91, 7,721.20 and 3,355.97

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Solution

The fourth proportional to 5,594.91, 7,721.20 and 3,355.97 is: 4,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,594.91 : 7,721.20 = 3,355.97 : x
  2. Step 2: Convert to fraction form
    5,594.91/7,721.20 = 3,355.97/x
  3. Step 3: Cross multiply
    5,594.91x = 7,721.20 × 3,355.97
  4. Step 4: Simplify right side
    5,594.91x = 25,912,068.57
  5. Step 5: Solve for x
    x = 25,912,068.57/5,594.91
  6. Step 6: Final answer
    x = 4,631.36

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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.