Home / 4,367.21-6,551.19-1,247.15

Finding the Fourth Proportional to 4,367.21, 6,551.19 and 1,247.15

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Solution

The fourth proportional to 4,367.21, 6,551.19 and 1,247.15 is: 1,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,367.21 : 6,551.19 = 1,247.15 : x
  2. Step 2: Convert to fraction form
    4,367.21/6,551.19 = 1,247.15/x
  3. Step 3: Cross multiply
    4,367.21x = 6,551.19 × 1,247.15
  4. Step 4: Simplify right side
    4,367.21x = 8,170,283.85
  5. Step 5: Solve for x
    x = 8,170,283.85/4,367.21
  6. Step 6: Final answer
    x = 1,870.83

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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.