Home / 5,268.65-7,907.06-1,984.73

Finding the Fourth Proportional to 5,268.65, 7,907.06 and 1,984.73

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Solution

The fourth proportional to 5,268.65, 7,907.06 and 1,984.73 is: 2,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.65 : 7,907.06 = 1,984.73 : x
  2. Step 2: Convert to fraction form
    5,268.65/7,907.06 = 1,984.73/x
  3. Step 3: Cross multiply
    5,268.65x = 7,907.06 × 1,984.73
  4. Step 4: Simplify right side
    5,268.65x = 15,693,329.73
  5. Step 5: Solve for x
    x = 15,693,329.73/5,268.65
  6. Step 6: Final answer
    x = 2,978.63

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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.