Home / 3,515.41-5,271.38-1,174.61

Finding the Fourth Proportional to 3,515.41, 5,271.38 and 1,174.61

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Solution

The fourth proportional to 3,515.41, 5,271.38 and 1,174.61 is: 1,761.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.41 : 5,271.38 = 1,174.61 : x
  2. Step 2: Convert to fraction form
    3,515.41/5,271.38 = 1,174.61/x
  3. Step 3: Cross multiply
    3,515.41x = 5,271.38 × 1,174.61
  4. Step 4: Simplify right side
    3,515.41x = 6,191,815.66
  5. Step 5: Solve for x
    x = 6,191,815.66/3,515.41
  6. Step 6: Final answer
    x = 1,761.34

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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.