Home / 5,139.50-7,092.60-3,044.12

Finding the Fourth Proportional to 5,139.50, 7,092.60 and 3,044.12

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Solution

The fourth proportional to 5,139.50, 7,092.60 and 3,044.12 is: 4,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.50 : 7,092.60 = 3,044.12 : x
  2. Step 2: Convert to fraction form
    5,139.50/7,092.60 = 3,044.12/x
  3. Step 3: Cross multiply
    5,139.50x = 7,092.60 × 3,044.12
  4. Step 4: Simplify right side
    5,139.50x = 21,590,725.51
  5. Step 5: Solve for x
    x = 21,590,725.51/5,139.50
  6. Step 6: Final answer
    x = 4,200.94

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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.