Home / 3,086.99-4,257.64-2,733.29

Finding the Fourth Proportional to 3,086.99, 4,257.64 and 2,733.29

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Solution

The fourth proportional to 3,086.99, 4,257.64 and 2,733.29 is: 3,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.99 : 4,257.64 = 2,733.29 : x
  2. Step 2: Convert to fraction form
    3,086.99/4,257.64 = 2,733.29/x
  3. Step 3: Cross multiply
    3,086.99x = 4,257.64 × 2,733.29
  4. Step 4: Simplify right side
    3,086.99x = 11,637,364.84
  5. Step 5: Solve for x
    x = 11,637,364.84/3,086.99
  6. Step 6: Final answer
    x = 3,769.81

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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.