Home / 3,913.86-5,392.05-2,733.06

Finding the Fourth Proportional to 3,913.86, 5,392.05 and 2,733.06

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Solution

The fourth proportional to 3,913.86, 5,392.05 and 2,733.06 is: 3,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.86 : 5,392.05 = 2,733.06 : x
  2. Step 2: Convert to fraction form
    3,913.86/5,392.05 = 2,733.06/x
  3. Step 3: Cross multiply
    3,913.86x = 5,392.05 × 2,733.06
  4. Step 4: Simplify right side
    3,913.86x = 14,736,796.17
  5. Step 5: Solve for x
    x = 14,736,796.17/3,913.86
  6. Step 6: Final answer
    x = 3,765.28

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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.