Home / 3,511.10-4,845.41-1,917.77

Finding the Fourth Proportional to 3,511.10, 4,845.41 and 1,917.77

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Solution

The fourth proportional to 3,511.10, 4,845.41 and 1,917.77 is: 2,646.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.10 : 4,845.41 = 1,917.77 : x
  2. Step 2: Convert to fraction form
    3,511.10/4,845.41 = 1,917.77/x
  3. Step 3: Cross multiply
    3,511.10x = 4,845.41 × 1,917.77
  4. Step 4: Simplify right side
    3,511.10x = 9,292,348.12
  5. Step 5: Solve for x
    x = 9,292,348.12/3,511.10
  6. Step 6: Final answer
    x = 2,646.57

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1.5x scale

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.