Home / 5,958-8,222.40-3,600.72

Finding the Fourth Proportional to 5,958, 8,222.40 and 3,600.72

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Solution

The fourth proportional to 5,958, 8,222.40 and 3,600.72 is: 4,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958 : 8,222.40 = 3,600.72 : x
  2. Step 2: Convert to fraction form
    5,958/8,222.40 = 3,600.72/x
  3. Step 3: Cross multiply
    5,958x = 8,222.40 × 3,600.72
  4. Step 4: Simplify right side
    5,958x = 29,606,560.13
  5. Step 5: Solve for x
    x = 29,606,560.13/5,958
  6. Step 6: Final answer
    x = 4,969.21

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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.