Home / 4,879.37-6,734.32-2,992.00

Finding the Fourth Proportional to 4,879.37, 6,734.32 and 2,992.00

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Solution

The fourth proportional to 4,879.37, 6,734.32 and 2,992.00 is: 4,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.37 : 6,734.32 = 2,992.00 : x
  2. Step 2: Convert to fraction form
    4,879.37/6,734.32 = 2,992.00/x
  3. Step 3: Cross multiply
    4,879.37x = 6,734.32 × 2,992.00
  4. Step 4: Simplify right side
    4,879.37x = 20,149,079.82
  5. Step 5: Solve for x
    x = 20,149,079.82/4,879.37
  6. Step 6: Final answer
    x = 4,129.44

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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.