Home / 2,971.20-4,100.14-1,792.06

Finding the Fourth Proportional to 2,971.20, 4,100.14 and 1,792.06

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Solution

The fourth proportional to 2,971.20, 4,100.14 and 1,792.06 is: 2,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.20 : 4,100.14 = 1,792.06 : x
  2. Step 2: Convert to fraction form
    2,971.20/4,100.14 = 1,792.06/x
  3. Step 3: Cross multiply
    2,971.20x = 4,100.14 × 1,792.06
  4. Step 4: Simplify right side
    2,971.20x = 7,347,696.89
  5. Step 5: Solve for x
    x = 7,347,696.89/2,971.20
  6. Step 6: Final answer
    x = 2,472.97

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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.