Home / 3,673.58-5,069.63-2,181.51

Finding the Fourth Proportional to 3,673.58, 5,069.63 and 2,181.51

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Solution

The fourth proportional to 3,673.58, 5,069.63 and 2,181.51 is: 3,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.58 : 5,069.63 = 2,181.51 : x
  2. Step 2: Convert to fraction form
    3,673.58/5,069.63 = 2,181.51/x
  3. Step 3: Cross multiply
    3,673.58x = 5,069.63 × 2,181.51
  4. Step 4: Simplify right side
    3,673.58x = 11,059,448.54
  5. Step 5: Solve for x
    x = 11,059,448.54/3,673.58
  6. Step 6: Final answer
    x = 3,010.54

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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.