Home / 4,086.68-6,129.01-1,165.01

Finding the Fourth Proportional to 4,086.68, 6,129.01 and 1,165.01

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Solution

The fourth proportional to 4,086.68, 6,129.01 and 1,165.01 is: 1,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.68 : 6,129.01 = 1,165.01 : x
  2. Step 2: Convert to fraction form
    4,086.68/6,129.01 = 1,165.01/x
  3. Step 3: Cross multiply
    4,086.68x = 6,129.01 × 1,165.01
  4. Step 4: Simplify right side
    4,086.68x = 7,140,357.94
  5. Step 5: Solve for x
    x = 7,140,357.94/4,086.68
  6. Step 6: Final answer
    x = 1,747.23

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Double scale
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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.