Home / 2,824.11-4,239.81-1,943.64

Finding the Fourth Proportional to 2,824.11, 4,239.81 and 1,943.64

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Solution

The fourth proportional to 2,824.11, 4,239.81 and 1,943.64 is: 2,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.11 : 4,239.81 = 1,943.64 : x
  2. Step 2: Convert to fraction form
    2,824.11/4,239.81 = 1,943.64/x
  3. Step 3: Cross multiply
    2,824.11x = 4,239.81 × 1,943.64
  4. Step 4: Simplify right side
    2,824.11x = 8,240,664.31
  5. Step 5: Solve for x
    x = 8,240,664.31/2,824.11
  6. Step 6: Final answer
    x = 2,917.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.