Home / 7,169.75-9,894.26-4,025.94

Finding the Fourth Proportional to 7,169.75, 9,894.26 and 4,025.94

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Solution

The fourth proportional to 7,169.75, 9,894.26 and 4,025.94 is: 5,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.75 : 9,894.26 = 4,025.94 : x
  2. Step 2: Convert to fraction form
    7,169.75/9,894.26 = 4,025.94/x
  3. Step 3: Cross multiply
    7,169.75x = 9,894.26 × 4,025.94
  4. Step 4: Simplify right side
    7,169.75x = 39,833,697.10
  5. Step 5: Solve for x
    x = 39,833,697.10/7,169.75
  6. Step 6: Final answer
    x = 5,555.80

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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.