Home / 4,943.12-7,403.75-3,379.42

Finding the Fourth Proportional to 4,943.12, 7,403.75 and 3,379.42

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Solution

The fourth proportional to 4,943.12, 7,403.75 and 3,379.42 is: 5,061.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.12 : 7,403.75 = 3,379.42 : x
  2. Step 2: Convert to fraction form
    4,943.12/7,403.75 = 3,379.42/x
  3. Step 3: Cross multiply
    4,943.12x = 7,403.75 × 3,379.42
  4. Step 4: Simplify right side
    4,943.12x = 25,020,326.91
  5. Step 5: Solve for x
    x = 25,020,326.91/4,943.12
  6. Step 6: Final answer
    x = 5,061.65

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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.