Home / 4,067.78-5,611.76-2,386.22

Finding the Fourth Proportional to 4,067.78, 5,611.76 and 2,386.22

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Solution

The fourth proportional to 4,067.78, 5,611.76 and 2,386.22 is: 3,291.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.78 : 5,611.76 = 2,386.22 : x
  2. Step 2: Convert to fraction form
    4,067.78/5,611.76 = 2,386.22/x
  3. Step 3: Cross multiply
    4,067.78x = 5,611.76 × 2,386.22
  4. Step 4: Simplify right side
    4,067.78x = 13,390,893.95
  5. Step 5: Solve for x
    x = 13,390,893.95/4,067.78
  6. Step 6: Final answer
    x = 3,291.94

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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.