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Finding the Fourth Proportional to 5,305.69, 7,958.54 and 2,184.90

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Solution

The fourth proportional to 5,305.69, 7,958.54 and 2,184.90 is: 3,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305.69 : 7,958.54 = 2,184.90 : x
  2. Step 2: Convert to fraction form
    5,305.69/7,958.54 = 2,184.90/x
  3. Step 3: Cross multiply
    5,305.69x = 7,958.54 × 2,184.90
  4. Step 4: Simplify right side
    5,305.69x = 17,388,614.05
  5. Step 5: Solve for x
    x = 17,388,614.05/5,305.69
  6. Step 6: Final answer
    x = 3,277.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.