Home / 2,680.76-4,021.32-1,037.18

Finding the Fourth Proportional to 2,680.76, 4,021.32 and 1,037.18

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Solution

The fourth proportional to 2,680.76, 4,021.32 and 1,037.18 is: 1,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.76 : 4,021.32 = 1,037.18 : x
  2. Step 2: Convert to fraction form
    2,680.76/4,021.32 = 1,037.18/x
  3. Step 3: Cross multiply
    2,680.76x = 4,021.32 × 1,037.18
  4. Step 4: Simplify right side
    2,680.76x = 4,170,832.68
  5. Step 5: Solve for x
    x = 4,170,832.68/2,680.76
  6. Step 6: Final answer
    x = 1,555.84

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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.