Home / 3,359.07-5,039.48-1,412.64

Finding the Fourth Proportional to 3,359.07, 5,039.48 and 1,412.64

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Solution

The fourth proportional to 3,359.07, 5,039.48 and 1,412.64 is: 2,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.07 : 5,039.48 = 1,412.64 : x
  2. Step 2: Convert to fraction form
    3,359.07/5,039.48 = 1,412.64/x
  3. Step 3: Cross multiply
    3,359.07x = 5,039.48 × 1,412.64
  4. Step 4: Simplify right side
    3,359.07x = 7,118,974.56
  5. Step 5: Solve for x
    x = 7,118,974.56/3,359.07
  6. Step 6: Final answer
    x = 2,119.33

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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.