Home / 5,091.72-7,026.38-2,995.80

Finding the Fourth Proportional to 5,091.72, 7,026.38 and 2,995.80

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Solution

The fourth proportional to 5,091.72, 7,026.38 and 2,995.80 is: 4,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.72 : 7,026.38 = 2,995.80 : x
  2. Step 2: Convert to fraction form
    5,091.72/7,026.38 = 2,995.80/x
  3. Step 3: Cross multiply
    5,091.72x = 7,026.38 × 2,995.80
  4. Step 4: Simplify right side
    5,091.72x = 21,049,629.20
  5. Step 5: Solve for x
    x = 21,049,629.20/5,091.72
  6. Step 6: Final answer
    x = 4,134.09

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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.