Home / 2,193.06-3,026.40-1,198.38

Finding the Fourth Proportional to 2,193.06, 3,026.40 and 1,198.38

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Solution

The fourth proportional to 2,193.06, 3,026.40 and 1,198.38 is: 1,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.06 : 3,026.40 = 1,198.38 : x
  2. Step 2: Convert to fraction form
    2,193.06/3,026.40 = 1,198.38/x
  3. Step 3: Cross multiply
    2,193.06x = 3,026.40 × 1,198.38
  4. Step 4: Simplify right side
    2,193.06x = 3,626,777.23
  5. Step 5: Solve for x
    x = 3,626,777.23/2,193.06
  6. Step 6: Final answer
    x = 1,653.75

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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.