Home / 2,769.80-4,152.78-1,037.96

Finding the Fourth Proportional to 2,769.80, 4,152.78 and 1,037.96

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Solution

The fourth proportional to 2,769.80, 4,152.78 and 1,037.96 is: 1,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.80 : 4,152.78 = 1,037.96 : x
  2. Step 2: Convert to fraction form
    2,769.80/4,152.78 = 1,037.96/x
  3. Step 3: Cross multiply
    2,769.80x = 4,152.78 × 1,037.96
  4. Step 4: Simplify right side
    2,769.80x = 4,310,419.53
  5. Step 5: Solve for x
    x = 4,310,419.53/2,769.80
  6. Step 6: Final answer
    x = 1,556.22

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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.