Home / 7,955.42-11,933.12-3,571.70

Finding the Fourth Proportional to 7,955.42, 11,933.12 and 3,571.70

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Solution

The fourth proportional to 7,955.42, 11,933.12 and 3,571.70 is: 5,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.42 : 11,933.12 = 3,571.70 : x
  2. Step 2: Convert to fraction form
    7,955.42/11,933.12 = 3,571.70/x
  3. Step 3: Cross multiply
    7,955.42x = 11,933.12 × 3,571.70
  4. Step 4: Simplify right side
    7,955.42x = 42,621,473.97
  5. Step 5: Solve for x
    x = 42,621,473.97/7,955.42
  6. Step 6: Final answer
    x = 5,357.54

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Similar ratio
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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.