Home / 1,916.67-2,872.95-1,093.17

Finding the Fourth Proportional to 1,916.67, 2,872.95 and 1,093.17

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Solution

The fourth proportional to 1,916.67, 2,872.95 and 1,093.17 is: 1,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.67 : 2,872.95 = 1,093.17 : x
  2. Step 2: Convert to fraction form
    1,916.67/2,872.95 = 1,093.17/x
  3. Step 3: Cross multiply
    1,916.67x = 2,872.95 × 1,093.17
  4. Step 4: Simplify right side
    1,916.67x = 3,140,622.75
  5. Step 5: Solve for x
    x = 3,140,622.75/1,916.67
  6. Step 6: Final answer
    x = 1,638.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.