Home / 5,876.69-8,112.38-3,518.39

Finding the Fourth Proportional to 5,876.69, 8,112.38 and 3,518.39

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Solution

The fourth proportional to 5,876.69, 8,112.38 and 3,518.39 is: 4,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.69 : 8,112.38 = 3,518.39 : x
  2. Step 2: Convert to fraction form
    5,876.69/8,112.38 = 3,518.39/x
  3. Step 3: Cross multiply
    5,876.69x = 8,112.38 × 3,518.39
  4. Step 4: Simplify right side
    5,876.69x = 28,542,516.67
  5. Step 5: Solve for x
    x = 28,542,516.67/5,876.69
  6. Step 6: Final answer
    x = 4,856.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.