Home / 5,629.23-7,767.90-3,271.50

Finding the Fourth Proportional to 5,629.23, 7,767.90 and 3,271.50

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Solution

The fourth proportional to 5,629.23, 7,767.90 and 3,271.50 is: 4,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.23 : 7,767.90 = 3,271.50 : x
  2. Step 2: Convert to fraction form
    5,629.23/7,767.90 = 3,271.50/x
  3. Step 3: Cross multiply
    5,629.23x = 7,767.90 × 3,271.50
  4. Step 4: Simplify right side
    5,629.23x = 25,412,684.85
  5. Step 5: Solve for x
    x = 25,412,684.85/5,629.23
  6. Step 6: Final answer
    x = 4,514.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.