Home / 5,825.24-8,038.84-3,172.68

Finding the Fourth Proportional to 5,825.24, 8,038.84 and 3,172.68

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Solution

The fourth proportional to 5,825.24, 8,038.84 and 3,172.68 is: 4,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.24 : 8,038.84 = 3,172.68 : x
  2. Step 2: Convert to fraction form
    5,825.24/8,038.84 = 3,172.68/x
  3. Step 3: Cross multiply
    5,825.24x = 8,038.84 × 3,172.68
  4. Step 4: Simplify right side
    5,825.24x = 25,504,666.89
  5. Step 5: Solve for x
    x = 25,504,666.89/5,825.24
  6. Step 6: Final answer
    x = 4,378.30

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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.