Home / 5,178.06-7,764.09-3,536.59

Finding the Fourth Proportional to 5,178.06, 7,764.09 and 3,536.59

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Solution

The fourth proportional to 5,178.06, 7,764.09 and 3,536.59 is: 5,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178.06 : 7,764.09 = 3,536.59 : x
  2. Step 2: Convert to fraction form
    5,178.06/7,764.09 = 3,536.59/x
  3. Step 3: Cross multiply
    5,178.06x = 7,764.09 × 3,536.59
  4. Step 4: Simplify right side
    5,178.06x = 27,458,403.05
  5. Step 5: Solve for x
    x = 27,458,403.05/5,178.06
  6. Step 6: Final answer
    x = 5,302.84

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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.