Home / 3,648.29-5,474.25-1,458.86

Finding the Fourth Proportional to 3,648.29, 5,474.25 and 1,458.86

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Solution

The fourth proportional to 3,648.29, 5,474.25 and 1,458.86 is: 2,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.29 : 5,474.25 = 1,458.86 : x
  2. Step 2: Convert to fraction form
    3,648.29/5,474.25 = 1,458.86/x
  3. Step 3: Cross multiply
    3,648.29x = 5,474.25 × 1,458.86
  4. Step 4: Simplify right side
    3,648.29x = 7,986,136.98
  5. Step 5: Solve for x
    x = 7,986,136.98/3,648.29
  6. Step 6: Final answer
    x = 2,189.01

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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.