Home / 3,470.49-5,196.60-2,080.53

Finding the Fourth Proportional to 3,470.49, 5,196.60 and 2,080.53

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Solution

The fourth proportional to 3,470.49, 5,196.60 and 2,080.53 is: 3,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.49 : 5,196.60 = 2,080.53 : x
  2. Step 2: Convert to fraction form
    3,470.49/5,196.60 = 2,080.53/x
  3. Step 3: Cross multiply
    3,470.49x = 5,196.60 × 2,080.53
  4. Step 4: Simplify right side
    3,470.49x = 10,811,682.20
  5. Step 5: Solve for x
    x = 10,811,682.20/3,470.49
  6. Step 6: Final answer
    x = 3,115.32

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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.