Home / 1,589.22-2,379.57-1,040.04

Finding the Fourth Proportional to 1,589.22, 2,379.57 and 1,040.04

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Solution

The fourth proportional to 1,589.22, 2,379.57 and 1,040.04 is: 1,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.22 : 2,379.57 = 1,040.04 : x
  2. Step 2: Convert to fraction form
    1,589.22/2,379.57 = 1,040.04/x
  3. Step 3: Cross multiply
    1,589.22x = 2,379.57 × 1,040.04
  4. Step 4: Simplify right side
    1,589.22x = 2,474,847.98
  5. Step 5: Solve for x
    x = 2,474,847.98/1,589.22
  6. Step 6: Final answer
    x = 1,557.27

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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.