Home / 2,206.40-3,042.20-1,733.36

Finding the Fourth Proportional to 2,206.40, 3,042.20 and 1,733.36

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Solution

The fourth proportional to 2,206.40, 3,042.20 and 1,733.36 is: 2,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.40 : 3,042.20 = 1,733.36 : x
  2. Step 2: Convert to fraction form
    2,206.40/3,042.20 = 1,733.36/x
  3. Step 3: Cross multiply
    2,206.40x = 3,042.20 × 1,733.36
  4. Step 4: Simplify right side
    2,206.40x = 5,273,227.79
  5. Step 5: Solve for x
    x = 5,273,227.79/2,206.40
  6. Step 6: Final answer
    x = 2,389.97

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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.