Home / 3,111.50-4,665.63-1,467.61

Finding the Fourth Proportional to 3,111.50, 4,665.63 and 1,467.61

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Solution

The fourth proportional to 3,111.50, 4,665.63 and 1,467.61 is: 2,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.50 : 4,665.63 = 1,467.61 : x
  2. Step 2: Convert to fraction form
    3,111.50/4,665.63 = 1,467.61/x
  3. Step 3: Cross multiply
    3,111.50x = 4,665.63 × 1,467.61
  4. Step 4: Simplify right side
    3,111.50x = 6,847,319.08
  5. Step 5: Solve for x
    x = 6,847,319.08/3,111.50
  6. Step 6: Final answer
    x = 2,200.65

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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.