Home / 7,322.26-10,969.61-3,620.15

Finding the Fourth Proportional to 7,322.26, 10,969.61 and 3,620.15

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Solution

The fourth proportional to 7,322.26, 10,969.61 and 3,620.15 is: 5,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.26 : 10,969.61 = 3,620.15 : x
  2. Step 2: Convert to fraction form
    7,322.26/10,969.61 = 3,620.15/x
  3. Step 3: Cross multiply
    7,322.26x = 10,969.61 × 3,620.15
  4. Step 4: Simplify right side
    7,322.26x = 39,711,615.54
  5. Step 5: Solve for x
    x = 39,711,615.54/7,322.26
  6. Step 6: Final answer
    x = 5,423.41

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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.