Home / 3,586.11-5,379.51-1,395.01

Finding the Fourth Proportional to 3,586.11, 5,379.51 and 1,395.01

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Solution

The fourth proportional to 3,586.11, 5,379.51 and 1,395.01 is: 2,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.11 : 5,379.51 = 1,395.01 : x
  2. Step 2: Convert to fraction form
    3,586.11/5,379.51 = 1,395.01/x
  3. Step 3: Cross multiply
    3,586.11x = 5,379.51 × 1,395.01
  4. Step 4: Simplify right side
    3,586.11x = 7,504,470.25
  5. Step 5: Solve for x
    x = 7,504,470.25/3,586.11
  6. Step 6: Final answer
    x = 2,092.65

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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.