Home / 3,433.58-5,148.09-1,242.02

Finding the Fourth Proportional to 3,433.58, 5,148.09 and 1,242.02

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Solution

The fourth proportional to 3,433.58, 5,148.09 and 1,242.02 is: 1,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.58 : 5,148.09 = 1,242.02 : x
  2. Step 2: Convert to fraction form
    3,433.58/5,148.09 = 1,242.02/x
  3. Step 3: Cross multiply
    3,433.58x = 5,148.09 × 1,242.02
  4. Step 4: Simplify right side
    3,433.58x = 6,394,019.65
  5. Step 5: Solve for x
    x = 6,394,019.65/3,433.58
  6. Step 6: Final answer
    x = 1,862.20

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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.