Home / 7,601.42-11,391.86-3,436.26

Finding the Fourth Proportional to 7,601.42, 11,391.86 and 3,436.26

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Solution

The fourth proportional to 7,601.42, 11,391.86 and 3,436.26 is: 5,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.42 : 11,391.86 = 3,436.26 : x
  2. Step 2: Convert to fraction form
    7,601.42/11,391.86 = 3,436.26/x
  3. Step 3: Cross multiply
    7,601.42x = 11,391.86 × 3,436.26
  4. Step 4: Simplify right side
    7,601.42x = 39,145,392.84
  5. Step 5: Solve for x
    x = 39,145,392.84/7,601.42
  6. Step 6: Final answer
    x = 5,149.75

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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.