Home / 4,836-7,240.23-3,187.53

Finding the Fourth Proportional to 4,836, 7,240.23 and 3,187.53

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Solution

The fourth proportional to 4,836, 7,240.23 and 3,187.53 is: 4,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,836 : 7,240.23 = 3,187.53 : x
  2. Step 2: Convert to fraction form
    4,836/7,240.23 = 3,187.53/x
  3. Step 3: Cross multiply
    4,836x = 7,240.23 × 3,187.53
  4. Step 4: Simplify right side
    4,836x = 23,078,450.33
  5. Step 5: Solve for x
    x = 23,078,450.33/4,836
  6. Step 6: Final answer
    x = 4,772.22

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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.