Home / 4,789.56-7,184.08-1,668.60

Finding the Fourth Proportional to 4,789.56, 7,184.08 and 1,668.60

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Solution

The fourth proportional to 4,789.56, 7,184.08 and 1,668.60 is: 2,502.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.56 : 7,184.08 = 1,668.60 : x
  2. Step 2: Convert to fraction form
    4,789.56/7,184.08 = 1,668.60/x
  3. Step 3: Cross multiply
    4,789.56x = 7,184.08 × 1,668.60
  4. Step 4: Simplify right side
    4,789.56x = 11,987,355.89
  5. Step 5: Solve for x
    x = 11,987,355.89/4,789.56
  6. Step 6: Final answer
    x = 2,502.81

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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.