Home / 2,704.13-4,052.66-1,386.77

Finding the Fourth Proportional to 2,704.13, 4,052.66 and 1,386.77

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Solution

The fourth proportional to 2,704.13, 4,052.66 and 1,386.77 is: 2,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.13 : 4,052.66 = 1,386.77 : x
  2. Step 2: Convert to fraction form
    2,704.13/4,052.66 = 1,386.77/x
  3. Step 3: Cross multiply
    2,704.13x = 4,052.66 × 1,386.77
  4. Step 4: Simplify right side
    2,704.13x = 5,620,107.31
  5. Step 5: Solve for x
    x = 5,620,107.31/2,704.13
  6. Step 6: Final answer
    x = 2,078.34

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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.