Home / 5,076.08-7,004.04-2,979.44

Finding the Fourth Proportional to 5,076.08, 7,004.04 and 2,979.44

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Solution

The fourth proportional to 5,076.08, 7,004.04 and 2,979.44 is: 4,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.08 : 7,004.04 = 2,979.44 : x
  2. Step 2: Convert to fraction form
    5,076.08/7,004.04 = 2,979.44/x
  3. Step 3: Cross multiply
    5,076.08x = 7,004.04 × 2,979.44
  4. Step 4: Simplify right side
    5,076.08x = 20,868,116.94
  5. Step 5: Solve for x
    x = 20,868,116.94/5,076.08
  6. Step 6: Final answer
    x = 4,111.07

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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.