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Finding the Fourth Proportional to 5,595.68, 7,721.17 and 3,608.93

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Solution

The fourth proportional to 5,595.68, 7,721.17 and 3,608.93 is: 4,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.68 : 7,721.17 = 3,608.93 : x
  2. Step 2: Convert to fraction form
    5,595.68/7,721.17 = 3,608.93/x
  3. Step 3: Cross multiply
    5,595.68x = 7,721.17 × 3,608.93
  4. Step 4: Simplify right side
    5,595.68x = 27,865,170.91
  5. Step 5: Solve for x
    x = 27,865,170.91/5,595.68
  6. Step 6: Final answer
    x = 4,979.76

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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.