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Finding the Fourth Proportional to 3,115.94, 4,673.87 and 1,801.67

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Solution

The fourth proportional to 3,115.94, 4,673.87 and 1,801.67 is: 2,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.94 : 4,673.87 = 1,801.67 : x
  2. Step 2: Convert to fraction form
    3,115.94/4,673.87 = 1,801.67/x
  3. Step 3: Cross multiply
    3,115.94x = 4,673.87 × 1,801.67
  4. Step 4: Simplify right side
    3,115.94x = 8,420,738.99
  5. Step 5: Solve for x
    x = 8,420,738.99/3,115.94
  6. Step 6: Final answer
    x = 2,702.48

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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.