Home / 2,192.13-3,022.84-1,445.13

Finding the Fourth Proportional to 2,192.13, 3,022.84 and 1,445.13

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Solution

The fourth proportional to 2,192.13, 3,022.84 and 1,445.13 is: 1,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.13 : 3,022.84 = 1,445.13 : x
  2. Step 2: Convert to fraction form
    2,192.13/3,022.84 = 1,445.13/x
  3. Step 3: Cross multiply
    2,192.13x = 3,022.84 × 1,445.13
  4. Step 4: Simplify right side
    2,192.13x = 4,368,398.95
  5. Step 5: Solve for x
    x = 4,368,398.95/2,192.13
  6. Step 6: Final answer
    x = 1,992.76

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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.