Home / 5,185.50-7,151.44-3,589.33

Finding the Fourth Proportional to 5,185.50, 7,151.44 and 3,589.33

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Solution

The fourth proportional to 5,185.50, 7,151.44 and 3,589.33 is: 4,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.50 : 7,151.44 = 3,589.33 : x
  2. Step 2: Convert to fraction form
    5,185.50/7,151.44 = 3,589.33/x
  3. Step 3: Cross multiply
    5,185.50x = 7,151.44 × 3,589.33
  4. Step 4: Simplify right side
    5,185.50x = 25,668,878.14
  5. Step 5: Solve for x
    x = 25,668,878.14/5,185.50
  6. Step 6: Final answer
    x = 4,950.13

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1.5x scale

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.