Home / 4,879.35-7,326.32-4,806.45

Finding the Fourth Proportional to 4,879.35, 7,326.32 and 4,806.45

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Solution

The fourth proportional to 4,879.35, 7,326.32 and 4,806.45 is: 7,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.35 : 7,326.32 = 4,806.45 : x
  2. Step 2: Convert to fraction form
    4,879.35/7,326.32 = 4,806.45/x
  3. Step 3: Cross multiply
    4,879.35x = 7,326.32 × 4,806.45
  4. Step 4: Simplify right side
    4,879.35x = 35,213,621.24
  5. Step 5: Solve for x
    x = 35,213,621.24/4,879.35
  6. Step 6: Final answer
    x = 7,216.86

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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.