Home / 3,548.64-5,321.61-1,208.04

Finding the Fourth Proportional to 3,548.64, 5,321.61 and 1,208.04

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Solution

The fourth proportional to 3,548.64, 5,321.61 and 1,208.04 is: 1,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.64 : 5,321.61 = 1,208.04 : x
  2. Step 2: Convert to fraction form
    3,548.64/5,321.61 = 1,208.04/x
  3. Step 3: Cross multiply
    3,548.64x = 5,321.61 × 1,208.04
  4. Step 4: Simplify right side
    3,548.64x = 6,428,717.74
  5. Step 5: Solve for x
    x = 6,428,717.74/3,548.64
  6. Step 6: Final answer
    x = 1,811.60

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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.