Home / 2,193.27-3,025.92-1,296.81

Finding the Fourth Proportional to 2,193.27, 3,025.92 and 1,296.81

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Solution

The fourth proportional to 2,193.27, 3,025.92 and 1,296.81 is: 1,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.27 : 3,025.92 = 1,296.81 : x
  2. Step 2: Convert to fraction form
    2,193.27/3,025.92 = 1,296.81/x
  3. Step 3: Cross multiply
    2,193.27x = 3,025.92 × 1,296.81
  4. Step 4: Simplify right side
    2,193.27x = 3,924,043.32
  5. Step 5: Solve for x
    x = 3,924,043.32/2,193.27
  6. Step 6: Final answer
    x = 1,789.13

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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.