Home / 3,959.64-5,464.26-2,281.37

Finding the Fourth Proportional to 3,959.64, 5,464.26 and 2,281.37

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Solution

The fourth proportional to 3,959.64, 5,464.26 and 2,281.37 is: 3,148.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.64 : 5,464.26 = 2,281.37 : x
  2. Step 2: Convert to fraction form
    3,959.64/5,464.26 = 2,281.37/x
  3. Step 3: Cross multiply
    3,959.64x = 5,464.26 × 2,281.37
  4. Step 4: Simplify right side
    3,959.64x = 12,465,971.51
  5. Step 5: Solve for x
    x = 12,465,971.51/3,959.64
  6. Step 6: Final answer
    x = 3,148.26

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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.