Home / 5,919.48-8,876.69-2,219.15

Finding the Fourth Proportional to 5,919.48, 8,876.69 and 2,219.15

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Solution

The fourth proportional to 5,919.48, 8,876.69 and 2,219.15 is: 3,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.48 : 8,876.69 = 2,219.15 : x
  2. Step 2: Convert to fraction form
    5,919.48/8,876.69 = 2,219.15/x
  3. Step 3: Cross multiply
    5,919.48x = 8,876.69 × 2,219.15
  4. Step 4: Simplify right side
    5,919.48x = 19,698,676.10
  5. Step 5: Solve for x
    x = 19,698,676.10/5,919.48
  6. Step 6: Final answer
    x = 3,327.77

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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.