Home / 7,631.91-11,440.82-2,633.08

Finding the Fourth Proportional to 7,631.91, 11,440.82 and 2,633.08

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Solution

The fourth proportional to 7,631.91, 11,440.82 and 2,633.08 is: 3,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.91 : 11,440.82 = 2,633.08 : x
  2. Step 2: Convert to fraction form
    7,631.91/11,440.82 = 2,633.08/x
  3. Step 3: Cross multiply
    7,631.91x = 11,440.82 × 2,633.08
  4. Step 4: Simplify right side
    7,631.91x = 30,124,594.33
  5. Step 5: Solve for x
    x = 30,124,594.33/7,631.91
  6. Step 6: Final answer
    x = 3,947.19

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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.