Home / 4,051.20-6,077.04-1,129.44

Finding the Fourth Proportional to 4,051.20, 6,077.04 and 1,129.44

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Solution

The fourth proportional to 4,051.20, 6,077.04 and 1,129.44 is: 1,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.20 : 6,077.04 = 1,129.44 : x
  2. Step 2: Convert to fraction form
    4,051.20/6,077.04 = 1,129.44/x
  3. Step 3: Cross multiply
    4,051.20x = 6,077.04 × 1,129.44
  4. Step 4: Simplify right side
    4,051.20x = 6,863,652.06
  5. Step 5: Solve for x
    x = 6,863,652.06/4,051.20
  6. Step 6: Final answer
    x = 1,694.23

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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.