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Finding the Fourth Proportional to 5,590.96, 7,715.13 and 3,351.71

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Solution

The fourth proportional to 5,590.96, 7,715.13 and 3,351.71 is: 4,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.96 : 7,715.13 = 3,351.71 : x
  2. Step 2: Convert to fraction form
    5,590.96/7,715.13 = 3,351.71/x
  3. Step 3: Cross multiply
    5,590.96x = 7,715.13 × 3,351.71
  4. Step 4: Simplify right side
    5,590.96x = 25,858,878.37
  5. Step 5: Solve for x
    x = 25,858,878.37/5,590.96
  6. Step 6: Final answer
    x = 4,625.12

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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.