Home / 6,900.96-9,524.18-3,917.75

Finding the Fourth Proportional to 6,900.96, 9,524.18 and 3,917.75

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Solution

The fourth proportional to 6,900.96, 9,524.18 and 3,917.75 is: 5,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.96 : 9,524.18 = 3,917.75 : x
  2. Step 2: Convert to fraction form
    6,900.96/9,524.18 = 3,917.75/x
  3. Step 3: Cross multiply
    6,900.96x = 9,524.18 × 3,917.75
  4. Step 4: Simplify right side
    6,900.96x = 37,313,288.99
  5. Step 5: Solve for x
    x = 37,313,288.99/6,900.96
  6. Step 6: Final answer
    x = 5,406.97

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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.