Home / 7,021.75-10,535.70-3,326.62

Finding the Fourth Proportional to 7,021.75, 10,535.70 and 3,326.62

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Solution

The fourth proportional to 7,021.75, 10,535.70 and 3,326.62 is: 4,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.75 : 10,535.70 = 3,326.62 : x
  2. Step 2: Convert to fraction form
    7,021.75/10,535.70 = 3,326.62/x
  3. Step 3: Cross multiply
    7,021.75x = 10,535.70 × 3,326.62
  4. Step 4: Simplify right side
    7,021.75x = 35,048,270.33
  5. Step 5: Solve for x
    x = 35,048,270.33/7,021.75
  6. Step 6: Final answer
    x = 4,991.39

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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.