Home / 5,349.84-7,382.79-2,992.02

Finding the Fourth Proportional to 5,349.84, 7,382.79 and 2,992.02

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Solution

The fourth proportional to 5,349.84, 7,382.79 and 2,992.02 is: 4,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.84 : 7,382.79 = 2,992.02 : x
  2. Step 2: Convert to fraction form
    5,349.84/7,382.79 = 2,992.02/x
  3. Step 3: Cross multiply
    5,349.84x = 7,382.79 × 2,992.02
  4. Step 4: Simplify right side
    5,349.84x = 22,089,455.34
  5. Step 5: Solve for x
    x = 22,089,455.34/5,349.84
  6. Step 6: Final answer
    x = 4,128.99

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Why These Related Problems?

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