Home / 2,793.71-4,190.59-1,212.06

Finding the Fourth Proportional to 2,793.71, 4,190.59 and 1,212.06

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Solution

The fourth proportional to 2,793.71, 4,190.59 and 1,212.06 is: 1,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.71 : 4,190.59 = 1,212.06 : x
  2. Step 2: Convert to fraction form
    2,793.71/4,190.59 = 1,212.06/x
  3. Step 3: Cross multiply
    2,793.71x = 4,190.59 × 1,212.06
  4. Step 4: Simplify right side
    2,793.71x = 5,079,256.30
  5. Step 5: Solve for x
    x = 5,079,256.30/2,793.71
  6. Step 6: Final answer
    x = 1,818.11

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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.