Home / 4,918.23-7,379.53-2,577.68

Finding the Fourth Proportional to 4,918.23, 7,379.53 and 2,577.68

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Solution

The fourth proportional to 4,918.23, 7,379.53 and 2,577.68 is: 3,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.23 : 7,379.53 = 2,577.68 : x
  2. Step 2: Convert to fraction form
    4,918.23/7,379.53 = 2,577.68/x
  3. Step 3: Cross multiply
    4,918.23x = 7,379.53 × 2,577.68
  4. Step 4: Simplify right side
    4,918.23x = 19,022,054.00
  5. Step 5: Solve for x
    x = 19,022,054.00/4,918.23
  6. Step 6: Final answer
    x = 3,867.66

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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.