Home / 10,580.93-15,872.45-3,919.22

Finding the Fourth Proportional to 10,580.93, 15,872.45 and 3,919.22

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Solution

The fourth proportional to 10,580.93, 15,872.45 and 3,919.22 is: 5,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.93 : 15,872.45 = 3,919.22 : x
  2. Step 2: Convert to fraction form
    10,580.93/15,872.45 = 3,919.22/x
  3. Step 3: Cross multiply
    10,580.93x = 15,872.45 × 3,919.22
  4. Step 4: Simplify right side
    10,580.93x = 62,207,524.53
  5. Step 5: Solve for x
    x = 62,207,524.53/10,580.93
  6. Step 6: Final answer
    x = 5,879.21

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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.