Home / 7,629.69-11,445.44-2,698.32

Finding the Fourth Proportional to 7,629.69, 11,445.44 and 2,698.32

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Solution

The fourth proportional to 7,629.69, 11,445.44 and 2,698.32 is: 4,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.69 : 11,445.44 = 2,698.32 : x
  2. Step 2: Convert to fraction form
    7,629.69/11,445.44 = 2,698.32/x
  3. Step 3: Cross multiply
    7,629.69x = 11,445.44 × 2,698.32
  4. Step 4: Simplify right side
    7,629.69x = 30,883,459.66
  5. Step 5: Solve for x
    x = 30,883,459.66/7,629.69
  6. Step 6: Final answer
    x = 4,047.80

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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.