Home / 5,456.58-8,186.04-1,759.02

Finding the Fourth Proportional to 5,456.58, 8,186.04 and 1,759.02

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Solution

The fourth proportional to 5,456.58, 8,186.04 and 1,759.02 is: 2,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.58 : 8,186.04 = 1,759.02 : x
  2. Step 2: Convert to fraction form
    5,456.58/8,186.04 = 1,759.02/x
  3. Step 3: Cross multiply
    5,456.58x = 8,186.04 × 1,759.02
  4. Step 4: Simplify right side
    5,456.58x = 14,399,408.08
  5. Step 5: Solve for x
    x = 14,399,408.08/5,456.58
  6. Step 6: Final answer
    x = 2,638.91

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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.