Home / 3,387.63-5,079.78-1,196.04

Finding the Fourth Proportional to 3,387.63, 5,079.78 and 1,196.04

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Solution

The fourth proportional to 3,387.63, 5,079.78 and 1,196.04 is: 1,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.63 : 5,079.78 = 1,196.04 : x
  2. Step 2: Convert to fraction form
    3,387.63/5,079.78 = 1,196.04/x
  3. Step 3: Cross multiply
    3,387.63x = 5,079.78 × 1,196.04
  4. Step 4: Simplify right side
    3,387.63x = 6,075,620.07
  5. Step 5: Solve for x
    x = 6,075,620.07/3,387.63
  6. Step 6: Final answer
    x = 1,793.47

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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.