Home / 7,925.19-11,887.92-2,997.15

Finding the Fourth Proportional to 7,925.19, 11,887.92 and 2,997.15

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Solution

The fourth proportional to 7,925.19, 11,887.92 and 2,997.15 is: 4,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.19 : 11,887.92 = 2,997.15 : x
  2. Step 2: Convert to fraction form
    7,925.19/11,887.92 = 2,997.15/x
  3. Step 3: Cross multiply
    7,925.19x = 11,887.92 × 2,997.15
  4. Step 4: Simplify right side
    7,925.19x = 35,629,879.43
  5. Step 5: Solve for x
    x = 35,629,879.43/7,925.19
  6. Step 6: Final answer
    x = 4,495.78

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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.