Home / 4,456.74-6,680.68-2,112.63

Finding the Fourth Proportional to 4,456.74, 6,680.68 and 2,112.63

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Solution

The fourth proportional to 4,456.74, 6,680.68 and 2,112.63 is: 3,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.74 : 6,680.68 = 2,112.63 : x
  2. Step 2: Convert to fraction form
    4,456.74/6,680.68 = 2,112.63/x
  3. Step 3: Cross multiply
    4,456.74x = 6,680.68 × 2,112.63
  4. Step 4: Simplify right side
    4,456.74x = 14,113,804.99
  5. Step 5: Solve for x
    x = 14,113,804.99/4,456.74
  6. Step 6: Final answer
    x = 3,166.85

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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.