Home / 7,213.75-10,821.80-2,283.39

Finding the Fourth Proportional to 7,213.75, 10,821.80 and 2,283.39

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Solution

The fourth proportional to 7,213.75, 10,821.80 and 2,283.39 is: 3,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.75 : 10,821.80 = 2,283.39 : x
  2. Step 2: Convert to fraction form
    7,213.75/10,821.80 = 2,283.39/x
  3. Step 3: Cross multiply
    7,213.75x = 10,821.80 × 2,283.39
  4. Step 4: Simplify right side
    7,213.75x = 24,710,395.61
  5. Step 5: Solve for x
    x = 24,710,395.61/7,213.75
  6. Step 6: Final answer
    x = 3,425.46

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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.