Home / 3,090.66-4,268.77-2,094.22

Finding the Fourth Proportional to 3,090.66, 4,268.77 and 2,094.22

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Solution

The fourth proportional to 3,090.66, 4,268.77 and 2,094.22 is: 2,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.66 : 4,268.77 = 2,094.22 : x
  2. Step 2: Convert to fraction form
    3,090.66/4,268.77 = 2,094.22/x
  3. Step 3: Cross multiply
    3,090.66x = 4,268.77 × 2,094.22
  4. Step 4: Simplify right side
    3,090.66x = 8,939,743.61
  5. Step 5: Solve for x
    x = 8,939,743.61/3,090.66
  6. Step 6: Final answer
    x = 2,892.51

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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.