Home / 3,975.08-5,481.07-2,852.42

Finding the Fourth Proportional to 3,975.08, 5,481.07 and 2,852.42

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Solution

The fourth proportional to 3,975.08, 5,481.07 and 2,852.42 is: 3,933.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.08 : 5,481.07 = 2,852.42 : x
  2. Step 2: Convert to fraction form
    3,975.08/5,481.07 = 2,852.42/x
  3. Step 3: Cross multiply
    3,975.08x = 5,481.07 × 2,852.42
  4. Step 4: Simplify right side
    3,975.08x = 15,634,279.15
  5. Step 5: Solve for x
    x = 15,634,279.15/3,975.08
  6. Step 6: Final answer
    x = 3,933.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.