Home / 2,940.66-4,056.95-1,893.33

Finding the Fourth Proportional to 2,940.66, 4,056.95 and 1,893.33

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Solution

The fourth proportional to 2,940.66, 4,056.95 and 1,893.33 is: 2,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.66 : 4,056.95 = 1,893.33 : x
  2. Step 2: Convert to fraction form
    2,940.66/4,056.95 = 1,893.33/x
  3. Step 3: Cross multiply
    2,940.66x = 4,056.95 × 1,893.33
  4. Step 4: Simplify right side
    2,940.66x = 7,681,149.88
  5. Step 5: Solve for x
    x = 7,681,149.88/2,940.66
  6. Step 6: Final answer
    x = 2,612.05

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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.