Home / 5,690.98-8,531.26-4,819.09

Finding the Fourth Proportional to 5,690.98, 8,531.26 and 4,819.09

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Solution

The fourth proportional to 5,690.98, 8,531.26 and 4,819.09 is: 7,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.98 : 8,531.26 = 4,819.09 : x
  2. Step 2: Convert to fraction form
    5,690.98/8,531.26 = 4,819.09/x
  3. Step 3: Cross multiply
    5,690.98x = 8,531.26 × 4,819.09
  4. Step 4: Simplify right side
    5,690.98x = 41,112,909.75
  5. Step 5: Solve for x
    x = 41,112,909.75/5,690.98
  6. Step 6: Final answer
    x = 7,224.22

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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.