Home / 2,729.13-4,093.69-1,190.13

Finding the Fourth Proportional to 2,729.13, 4,093.69 and 1,190.13

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Solution

The fourth proportional to 2,729.13, 4,093.69 and 1,190.13 is: 1,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.13 : 4,093.69 = 1,190.13 : x
  2. Step 2: Convert to fraction form
    2,729.13/4,093.69 = 1,190.13/x
  3. Step 3: Cross multiply
    2,729.13x = 4,093.69 × 1,190.13
  4. Step 4: Simplify right side
    2,729.13x = 4,872,023.28
  5. Step 5: Solve for x
    x = 4,872,023.28/2,729.13
  6. Step 6: Final answer
    x = 1,785.19

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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.