Home / 3,255.92-4,879.70-2,378.36

Finding the Fourth Proportional to 3,255.92, 4,879.70 and 2,378.36

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Solution

The fourth proportional to 3,255.92, 4,879.70 and 2,378.36 is: 3,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.92 : 4,879.70 = 2,378.36 : x
  2. Step 2: Convert to fraction form
    3,255.92/4,879.70 = 2,378.36/x
  3. Step 3: Cross multiply
    3,255.92x = 4,879.70 × 2,378.36
  4. Step 4: Simplify right side
    3,255.92x = 11,605,683.29
  5. Step 5: Solve for x
    x = 11,605,683.29/3,255.92
  6. Step 6: Final answer
    x = 3,564.49

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1.5x scale

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.