Home / 5,091.75-7,027.47-2,995.47

Finding the Fourth Proportional to 5,091.75, 7,027.47 and 2,995.47

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Solution

The fourth proportional to 5,091.75, 7,027.47 and 2,995.47 is: 4,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.75 : 7,027.47 = 2,995.47 : x
  2. Step 2: Convert to fraction form
    5,091.75/7,027.47 = 2,995.47/x
  3. Step 3: Cross multiply
    5,091.75x = 7,027.47 × 2,995.47
  4. Step 4: Simplify right side
    5,091.75x = 21,050,575.56
  5. Step 5: Solve for x
    x = 21,050,575.56/5,091.75
  6. Step 6: Final answer
    x = 4,134.25

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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.