Home / 4,086.36-6,129.77-1,164.44

Finding the Fourth Proportional to 4,086.36, 6,129.77 and 1,164.44

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Solution

The fourth proportional to 4,086.36, 6,129.77 and 1,164.44 is: 1,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.36 : 6,129.77 = 1,164.44 : x
  2. Step 2: Convert to fraction form
    4,086.36/6,129.77 = 1,164.44/x
  3. Step 3: Cross multiply
    4,086.36x = 6,129.77 × 1,164.44
  4. Step 4: Simplify right side
    4,086.36x = 7,137,712.91
  5. Step 5: Solve for x
    x = 7,137,712.91/4,086.36
  6. Step 6: Final answer
    x = 1,746.72

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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.