Home / 5,825.22-8,038.55-3,172.65

Finding the Fourth Proportional to 5,825.22, 8,038.55 and 3,172.65

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Solution

The fourth proportional to 5,825.22, 8,038.55 and 3,172.65 is: 4,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.22 : 8,038.55 = 3,172.65 : x
  2. Step 2: Convert to fraction form
    5,825.22/8,038.55 = 3,172.65/x
  3. Step 3: Cross multiply
    5,825.22x = 8,038.55 × 3,172.65
  4. Step 4: Simplify right side
    5,825.22x = 25,503,513.59
  5. Step 5: Solve for x
    x = 25,503,513.59/5,825.22
  6. Step 6: Final answer
    x = 4,378.12

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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.