Home / 3,949.89-5,450.25-2,357.04

Finding the Fourth Proportional to 3,949.89, 5,450.25 and 2,357.04

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Solution

The fourth proportional to 3,949.89, 5,450.25 and 2,357.04 is: 3,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.89 : 5,450.25 = 2,357.04 : x
  2. Step 2: Convert to fraction form
    3,949.89/5,450.25 = 2,357.04/x
  3. Step 3: Cross multiply
    3,949.89x = 5,450.25 × 2,357.04
  4. Step 4: Simplify right side
    3,949.89x = 12,846,457.26
  5. Step 5: Solve for x
    x = 12,846,457.26/3,949.89
  6. Step 6: Final answer
    x = 3,252.36

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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.