Home / 3,860.63-5,326.43-2,367.80

Finding the Fourth Proportional to 3,860.63, 5,326.43 and 2,367.80

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Solution

The fourth proportional to 3,860.63, 5,326.43 and 2,367.80 is: 3,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.63 : 5,326.43 = 2,367.80 : x
  2. Step 2: Convert to fraction form
    3,860.63/5,326.43 = 2,367.80/x
  3. Step 3: Cross multiply
    3,860.63x = 5,326.43 × 2,367.80
  4. Step 4: Simplify right side
    3,860.63x = 12,611,882.48
  5. Step 5: Solve for x
    x = 12,611,882.48/3,860.63
  6. Step 6: Final answer
    x = 3,266.80

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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.