Home / 5,100.41-7,038.36-2,976.06

Finding the Fourth Proportional to 5,100.41, 7,038.36 and 2,976.06

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Solution

The fourth proportional to 5,100.41, 7,038.36 and 2,976.06 is: 4,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.41 : 7,038.36 = 2,976.06 : x
  2. Step 2: Convert to fraction form
    5,100.41/7,038.36 = 2,976.06/x
  3. Step 3: Cross multiply
    5,100.41x = 7,038.36 × 2,976.06
  4. Step 4: Simplify right side
    5,100.41x = 20,946,608.06
  5. Step 5: Solve for x
    x = 20,946,608.06/5,100.41
  6. Step 6: Final answer
    x = 4,106.85

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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.