Home / 2,694.42-4,033.08-1,767.78

Finding the Fourth Proportional to 2,694.42, 4,033.08 and 1,767.78

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Solution

The fourth proportional to 2,694.42, 4,033.08 and 1,767.78 is: 2,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.42 : 4,033.08 = 1,767.78 : x
  2. Step 2: Convert to fraction form
    2,694.42/4,033.08 = 1,767.78/x
  3. Step 3: Cross multiply
    2,694.42x = 4,033.08 × 1,767.78
  4. Step 4: Simplify right side
    2,694.42x = 7,129,598.16
  5. Step 5: Solve for x
    x = 7,129,598.16/2,694.42
  6. Step 6: Final answer
    x = 2,646.06

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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.