Home / 5,511.69-8,268.73-1,813.74

Finding the Fourth Proportional to 5,511.69, 8,268.73 and 1,813.74

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Solution

The fourth proportional to 5,511.69, 8,268.73 and 1,813.74 is: 2,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.69 : 8,268.73 = 1,813.74 : x
  2. Step 2: Convert to fraction form
    5,511.69/8,268.73 = 1,813.74/x
  3. Step 3: Cross multiply
    5,511.69x = 8,268.73 × 1,813.74
  4. Step 4: Simplify right side
    5,511.69x = 14,997,285.01
  5. Step 5: Solve for x
    x = 14,997,285.01/5,511.69
  6. Step 6: Final answer
    x = 2,721.00

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1.5x scale

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.