Home / 4,027.70-5,558.28-2,259.20

Finding the Fourth Proportional to 4,027.70, 5,558.28 and 2,259.20

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Solution

The fourth proportional to 4,027.70, 5,558.28 and 2,259.20 is: 3,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,027.70 : 5,558.28 = 2,259.20 : x
  2. Step 2: Convert to fraction form
    4,027.70/5,558.28 = 2,259.20/x
  3. Step 3: Cross multiply
    4,027.70x = 5,558.28 × 2,259.20
  4. Step 4: Simplify right side
    4,027.70x = 12,557,266.18
  5. Step 5: Solve for x
    x = 12,557,266.18/4,027.70
  6. Step 6: Final answer
    x = 3,117.73

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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.