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Finding the Fourth Proportional to 5,331.35, 8,001.27 and 3,945.03

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Solution

The fourth proportional to 5,331.35, 8,001.27 and 3,945.03 is: 5,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.35 : 8,001.27 = 3,945.03 : x
  2. Step 2: Convert to fraction form
    5,331.35/8,001.27 = 3,945.03/x
  3. Step 3: Cross multiply
    5,331.35x = 8,001.27 × 3,945.03
  4. Step 4: Simplify right side
    5,331.35x = 31,565,250.19
  5. Step 5: Solve for x
    x = 31,565,250.19/5,331.35
  6. Step 6: Final answer
    x = 5,920.69

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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.