Home / 3,511.09-4,847.09-2,449.81

Finding the Fourth Proportional to 3,511.09, 4,847.09 and 2,449.81

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Solution

The fourth proportional to 3,511.09, 4,847.09 and 2,449.81 is: 3,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.09 : 4,847.09 = 2,449.81 : x
  2. Step 2: Convert to fraction form
    3,511.09/4,847.09 = 2,449.81/x
  3. Step 3: Cross multiply
    3,511.09x = 4,847.09 × 2,449.81
  4. Step 4: Simplify right side
    3,511.09x = 11,874,437.30
  5. Step 5: Solve for x
    x = 11,874,437.30/3,511.09
  6. Step 6: Final answer
    x = 3,381.98

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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.