Home / 4,943.84-7,421.84-3,279.52

Finding the Fourth Proportional to 4,943.84, 7,421.84 and 3,279.52

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Solution

The fourth proportional to 4,943.84, 7,421.84 and 3,279.52 is: 4,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.84 : 7,421.84 = 3,279.52 : x
  2. Step 2: Convert to fraction form
    4,943.84/7,421.84 = 3,279.52/x
  3. Step 3: Cross multiply
    4,943.84x = 7,421.84 × 3,279.52
  4. Step 4: Simplify right side
    4,943.84x = 24,340,072.72
  5. Step 5: Solve for x
    x = 24,340,072.72/4,943.84
  6. Step 6: Final answer
    x = 4,923.31

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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.