Home / 3,586.41-5,379.14-1,121.48

Finding the Fourth Proportional to 3,586.41, 5,379.14 and 1,121.48

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Solution

The fourth proportional to 3,586.41, 5,379.14 and 1,121.48 is: 1,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.41 : 5,379.14 = 1,121.48 : x
  2. Step 2: Convert to fraction form
    3,586.41/5,379.14 = 1,121.48/x
  3. Step 3: Cross multiply
    3,586.41x = 5,379.14 × 1,121.48
  4. Step 4: Simplify right side
    3,586.41x = 6,032,594.01
  5. Step 5: Solve for x
    x = 6,032,594.01/3,586.41
  6. Step 6: Final answer
    x = 1,682.07

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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.