Home / 3,858.51-5,326.89-2,442.43

Finding the Fourth Proportional to 3,858.51, 5,326.89 and 2,442.43

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Solution

The fourth proportional to 3,858.51, 5,326.89 and 2,442.43 is: 3,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.51 : 5,326.89 = 2,442.43 : x
  2. Step 2: Convert to fraction form
    3,858.51/5,326.89 = 2,442.43/x
  3. Step 3: Cross multiply
    3,858.51x = 5,326.89 × 2,442.43
  4. Step 4: Simplify right side
    3,858.51x = 13,010,542.63
  5. Step 5: Solve for x
    x = 13,010,542.63/3,858.51
  6. Step 6: Final answer
    x = 3,371.91

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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.