Home / 5,417.46-8,121.87-3,441.06

Finding the Fourth Proportional to 5,417.46, 8,121.87 and 3,441.06

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Solution

The fourth proportional to 5,417.46, 8,121.87 and 3,441.06 is: 5,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.46 : 8,121.87 = 3,441.06 : x
  2. Step 2: Convert to fraction form
    5,417.46/8,121.87 = 3,441.06/x
  3. Step 3: Cross multiply
    5,417.46x = 8,121.87 × 3,441.06
  4. Step 4: Simplify right side
    5,417.46x = 27,947,841.98
  5. Step 5: Solve for x
    x = 27,947,841.98/5,417.46
  6. Step 6: Final answer
    x = 5,158.85

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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.