Home / 7,723.80-11,570.26-3,558.04

Finding the Fourth Proportional to 7,723.80, 11,570.26 and 3,558.04

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Solution

The fourth proportional to 7,723.80, 11,570.26 and 3,558.04 is: 5,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.80 : 11,570.26 = 3,558.04 : x
  2. Step 2: Convert to fraction form
    7,723.80/11,570.26 = 3,558.04/x
  3. Step 3: Cross multiply
    7,723.80x = 11,570.26 × 3,558.04
  4. Step 4: Simplify right side
    7,723.80x = 41,167,447.89
  5. Step 5: Solve for x
    x = 41,167,447.89/7,723.80
  6. Step 6: Final answer
    x = 5,329.95

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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.