Home / 7,270.44-10,027.78-4,910.12

Finding the Fourth Proportional to 7,270.44, 10,027.78 and 4,910.12

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Solution

The fourth proportional to 7,270.44, 10,027.78 and 4,910.12 is: 6,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.44 : 10,027.78 = 4,910.12 : x
  2. Step 2: Convert to fraction form
    7,270.44/10,027.78 = 4,910.12/x
  3. Step 3: Cross multiply
    7,270.44x = 10,027.78 × 4,910.12
  4. Step 4: Simplify right side
    7,270.44x = 49,237,603.13
  5. Step 5: Solve for x
    x = 49,237,603.13/7,270.44
  6. Step 6: Final answer
    x = 6,772.30

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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.