Home / 7,571.72-11,357.96-2,892.13

Finding the Fourth Proportional to 7,571.72, 11,357.96 and 2,892.13

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Solution

The fourth proportional to 7,571.72, 11,357.96 and 2,892.13 is: 4,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.72 : 11,357.96 = 2,892.13 : x
  2. Step 2: Convert to fraction form
    7,571.72/11,357.96 = 2,892.13/x
  3. Step 3: Cross multiply
    7,571.72x = 11,357.96 × 2,892.13
  4. Step 4: Simplify right side
    7,571.72x = 32,848,685.94
  5. Step 5: Solve for x
    x = 32,848,685.94/7,571.72
  6. Step 6: Final answer
    x = 4,338.34

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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.