Home / 1,916.54-2,644.77-1,077.23

Finding the Fourth Proportional to 1,916.54, 2,644.77 and 1,077.23

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Solution

The fourth proportional to 1,916.54, 2,644.77 and 1,077.23 is: 1,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.54 : 2,644.77 = 1,077.23 : x
  2. Step 2: Convert to fraction form
    1,916.54/2,644.77 = 1,077.23/x
  3. Step 3: Cross multiply
    1,916.54x = 2,644.77 × 1,077.23
  4. Step 4: Simplify right side
    1,916.54x = 2,849,006.98
  5. Step 5: Solve for x
    x = 2,849,006.98/1,916.54
  6. Step 6: Final answer
    x = 1,486.54

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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.