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Finding the Fourth Proportional to 5,853.98, 8,094.05 and 5,115.87

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Solution

The fourth proportional to 5,853.98, 8,094.05 and 5,115.87 is: 7,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.98 : 8,094.05 = 5,115.87 : x
  2. Step 2: Convert to fraction form
    5,853.98/8,094.05 = 5,115.87/x
  3. Step 3: Cross multiply
    5,853.98x = 8,094.05 × 5,115.87
  4. Step 4: Simplify right side
    5,853.98x = 41,408,081.99
  5. Step 5: Solve for x
    x = 41,408,081.99/5,853.98
  6. Step 6: Final answer
    x = 7,073.50

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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.