Home / 1,916.36-2,647.23-1,479.77

Finding the Fourth Proportional to 1,916.36, 2,647.23 and 1,479.77

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Solution

The fourth proportional to 1,916.36, 2,647.23 and 1,479.77 is: 2,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.36 : 2,647.23 = 1,479.77 : x
  2. Step 2: Convert to fraction form
    1,916.36/2,647.23 = 1,479.77/x
  3. Step 3: Cross multiply
    1,916.36x = 2,647.23 × 1,479.77
  4. Step 4: Simplify right side
    1,916.36x = 3,917,291.00
  5. Step 5: Solve for x
    x = 3,917,291.00/1,916.36
  6. Step 6: Final answer
    x = 2,044.13

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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.