Home / 7,320.24-10,975.14-3,422.52

Finding the Fourth Proportional to 7,320.24, 10,975.14 and 3,422.52

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Solution

The fourth proportional to 7,320.24, 10,975.14 and 3,422.52 is: 5,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.24 : 10,975.14 = 3,422.52 : x
  2. Step 2: Convert to fraction form
    7,320.24/10,975.14 = 3,422.52/x
  3. Step 3: Cross multiply
    7,320.24x = 10,975.14 × 3,422.52
  4. Step 4: Simplify right side
    7,320.24x = 37,562,636.15
  5. Step 5: Solve for x
    x = 37,562,636.15/7,320.24
  6. Step 6: Final answer
    x = 5,131.34

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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.