Home / 3,226.97-4,457.40-2,490.04

Finding the Fourth Proportional to 3,226.97, 4,457.40 and 2,490.04

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Solution

The fourth proportional to 3,226.97, 4,457.40 and 2,490.04 is: 3,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.97 : 4,457.40 = 2,490.04 : x
  2. Step 2: Convert to fraction form
    3,226.97/4,457.40 = 2,490.04/x
  3. Step 3: Cross multiply
    3,226.97x = 4,457.40 × 2,490.04
  4. Step 4: Simplify right side
    3,226.97x = 11,099,100.53
  5. Step 5: Solve for x
    x = 11,099,100.53/3,226.97
  6. Step 6: Final answer
    x = 3,439.48

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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.