Home / 7,170.48-9,896.28-4,027.44

Finding the Fourth Proportional to 7,170.48, 9,896.28 and 4,027.44

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Solution

The fourth proportional to 7,170.48, 9,896.28 and 4,027.44 is: 5,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.48 : 9,896.28 = 4,027.44 : x
  2. Step 2: Convert to fraction form
    7,170.48/9,896.28 = 4,027.44/x
  3. Step 3: Cross multiply
    7,170.48x = 9,896.28 × 4,027.44
  4. Step 4: Simplify right side
    7,170.48x = 39,856,673.92
  5. Step 5: Solve for x
    x = 39,856,673.92/7,170.48
  6. Step 6: Final answer
    x = 5,558.44

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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.