Home / 4,028.12-5,558.30-2,259.72

Finding the Fourth Proportional to 4,028.12, 5,558.30 and 2,259.72

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Solution

The fourth proportional to 4,028.12, 5,558.30 and 2,259.72 is: 3,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.12 : 5,558.30 = 2,259.72 : x
  2. Step 2: Convert to fraction form
    4,028.12/5,558.30 = 2,259.72/x
  3. Step 3: Cross multiply
    4,028.12x = 5,558.30 × 2,259.72
  4. Step 4: Simplify right side
    4,028.12x = 12,560,201.68
  5. Step 5: Solve for x
    x = 12,560,201.68/4,028.12
  6. Step 6: Final answer
    x = 3,118.13

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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.