Home / 4,958.35-7,427.80-2,178.43

Finding the Fourth Proportional to 4,958.35, 7,427.80 and 2,178.43

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Solution

The fourth proportional to 4,958.35, 7,427.80 and 2,178.43 is: 3,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.35 : 7,427.80 = 2,178.43 : x
  2. Step 2: Convert to fraction form
    4,958.35/7,427.80 = 2,178.43/x
  3. Step 3: Cross multiply
    4,958.35x = 7,427.80 × 2,178.43
  4. Step 4: Simplify right side
    4,958.35x = 16,180,926.51
  5. Step 5: Solve for x
    x = 16,180,926.51/4,958.35
  6. Step 6: Final answer
    x = 3,263.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.