Home / 2,916.62-4,026.57-2,021.66

Finding the Fourth Proportional to 2,916.62, 4,026.57 and 2,021.66

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Solution

The fourth proportional to 2,916.62, 4,026.57 and 2,021.66 is: 2,791.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.62 : 4,026.57 = 2,021.66 : x
  2. Step 2: Convert to fraction form
    2,916.62/4,026.57 = 2,021.66/x
  3. Step 3: Cross multiply
    2,916.62x = 4,026.57 × 2,021.66
  4. Step 4: Simplify right side
    2,916.62x = 8,140,355.51
  5. Step 5: Solve for x
    x = 8,140,355.51/2,916.62
  6. Step 6: Final answer
    x = 2,791.02

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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.