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Finding the Fourth Proportional to 5,330.82, 7,355.82 and 3,092.40

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Solution

The fourth proportional to 5,330.82, 7,355.82 and 3,092.40 is: 4,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.82 : 7,355.82 = 3,092.40 : x
  2. Step 2: Convert to fraction form
    5,330.82/7,355.82 = 3,092.40/x
  3. Step 3: Cross multiply
    5,330.82x = 7,355.82 × 3,092.40
  4. Step 4: Simplify right side
    5,330.82x = 22,747,137.77
  5. Step 5: Solve for x
    x = 22,747,137.77/5,330.82
  6. Step 6: Final answer
    x = 4,267.10

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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.