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Finding the Fourth Proportional to 2,491.86, 3,745.08 and 2,310.84

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Solution

The fourth proportional to 2,491.86, 3,745.08 and 2,310.84 is: 3,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.86 : 3,745.08 = 2,310.84 : x
  2. Step 2: Convert to fraction form
    2,491.86/3,745.08 = 2,310.84/x
  3. Step 3: Cross multiply
    2,491.86x = 3,745.08 × 2,310.84
  4. Step 4: Simplify right side
    2,491.86x = 8,654,280.67
  5. Step 5: Solve for x
    x = 8,654,280.67/2,491.86
  6. Step 6: Final answer
    x = 3,473.02

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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.