Home / 2,917.37-4,028.00-2,731.48

Finding the Fourth Proportional to 2,917.37, 4,028.00 and 2,731.48

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Solution

The fourth proportional to 2,917.37, 4,028.00 and 2,731.48 is: 3,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917.37 : 4,028.00 = 2,731.48 : x
  2. Step 2: Convert to fraction form
    2,917.37/4,028.00 = 2,731.48/x
  3. Step 3: Cross multiply
    2,917.37x = 4,028.00 × 2,731.48
  4. Step 4: Simplify right side
    2,917.37x = 11,002,377.71
  5. Step 5: Solve for x
    x = 11,002,377.71/2,917.37
  6. Step 6: Final answer
    x = 3,771.33

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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.