Home / 5,245.72-7,238.86-3,005.99

Finding the Fourth Proportional to 5,245.72, 7,238.86 and 3,005.99

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Solution

The fourth proportional to 5,245.72, 7,238.86 and 3,005.99 is: 4,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.72 : 7,238.86 = 3,005.99 : x
  2. Step 2: Convert to fraction form
    5,245.72/7,238.86 = 3,005.99/x
  3. Step 3: Cross multiply
    5,245.72x = 7,238.86 × 3,005.99
  4. Step 4: Simplify right side
    5,245.72x = 21,759,940.77
  5. Step 5: Solve for x
    x = 21,759,940.77/5,245.72
  6. Step 6: Final answer
    x = 4,148.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.