Home / 5,151.37-7,737.39-3,075.43

Finding the Fourth Proportional to 5,151.37, 7,737.39 and 3,075.43

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Solution

The fourth proportional to 5,151.37, 7,737.39 and 3,075.43 is: 4,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.37 : 7,737.39 = 3,075.43 : x
  2. Step 2: Convert to fraction form
    5,151.37/7,737.39 = 3,075.43/x
  3. Step 3: Cross multiply
    5,151.37x = 7,737.39 × 3,075.43
  4. Step 4: Simplify right side
    5,151.37x = 23,795,801.33
  5. Step 5: Solve for x
    x = 23,795,801.33/5,151.37
  6. Step 6: Final answer
    x = 4,619.32

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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.