Home / 7,975.24-11,962.80-3,589.60

Finding the Fourth Proportional to 7,975.24, 11,962.80 and 3,589.60

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Solution

The fourth proportional to 7,975.24, 11,962.80 and 3,589.60 is: 5,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.24 : 11,962.80 = 3,589.60 : x
  2. Step 2: Convert to fraction form
    7,975.24/11,962.80 = 3,589.60/x
  3. Step 3: Cross multiply
    7,975.24x = 11,962.80 × 3,589.60
  4. Step 4: Simplify right side
    7,975.24x = 42,941,666.88
  5. Step 5: Solve for x
    x = 42,941,666.88/7,975.24
  6. Step 6: Final answer
    x = 5,384.37

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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.