Home / 4,943.81-6,821.33-2,953.98

Finding the Fourth Proportional to 4,943.81, 6,821.33 and 2,953.98

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Solution

The fourth proportional to 4,943.81, 6,821.33 and 2,953.98 is: 4,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.81 : 6,821.33 = 2,953.98 : x
  2. Step 2: Convert to fraction form
    4,943.81/6,821.33 = 2,953.98/x
  3. Step 3: Cross multiply
    4,943.81x = 6,821.33 × 2,953.98
  4. Step 4: Simplify right side
    4,943.81x = 20,150,057.62
  5. Step 5: Solve for x
    x = 20,150,057.62/4,943.81
  6. Step 6: Final answer
    x = 4,075.81

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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.