Home / 5,365.91-8,049.38-1,856.32

Finding the Fourth Proportional to 5,365.91, 8,049.38 and 1,856.32

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Solution

The fourth proportional to 5,365.91, 8,049.38 and 1,856.32 is: 2,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.91 : 8,049.38 = 1,856.32 : x
  2. Step 2: Convert to fraction form
    5,365.91/8,049.38 = 1,856.32/x
  3. Step 3: Cross multiply
    5,365.91x = 8,049.38 × 1,856.32
  4. Step 4: Simplify right side
    5,365.91x = 14,942,195.68
  5. Step 5: Solve for x
    x = 14,942,195.68/5,365.91
  6. Step 6: Final answer
    x = 2,784.65

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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.