Home / 7,471.20-11,210.58-3,313.92

Finding the Fourth Proportional to 7,471.20, 11,210.58 and 3,313.92

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Solution

The fourth proportional to 7,471.20, 11,210.58 and 3,313.92 is: 4,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.20 : 11,210.58 = 3,313.92 : x
  2. Step 2: Convert to fraction form
    7,471.20/11,210.58 = 3,313.92/x
  3. Step 3: Cross multiply
    7,471.20x = 11,210.58 × 3,313.92
  4. Step 4: Simplify right side
    7,471.20x = 37,150,965.27
  5. Step 5: Solve for x
    x = 37,150,965.27/7,471.20
  6. Step 6: Final answer
    x = 4,972.56

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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.