Home / 7,579.42-11,365.80-3,133.96

Finding the Fourth Proportional to 7,579.42, 11,365.80 and 3,133.96

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Solution

The fourth proportional to 7,579.42, 11,365.80 and 3,133.96 is: 4,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.42 : 11,365.80 = 3,133.96 : x
  2. Step 2: Convert to fraction form
    7,579.42/11,365.80 = 3,133.96/x
  3. Step 3: Cross multiply
    7,579.42x = 11,365.80 × 3,133.96
  4. Step 4: Simplify right side
    7,579.42x = 35,619,962.57
  5. Step 5: Solve for x
    x = 35,619,962.57/7,579.42
  6. Step 6: Final answer
    x = 4,699.56

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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.