Home / 3,066.22-4,231.04-1,807.17

Finding the Fourth Proportional to 3,066.22, 4,231.04 and 1,807.17

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Solution

The fourth proportional to 3,066.22, 4,231.04 and 1,807.17 is: 2,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.22 : 4,231.04 = 1,807.17 : x
  2. Step 2: Convert to fraction form
    3,066.22/4,231.04 = 1,807.17/x
  3. Step 3: Cross multiply
    3,066.22x = 4,231.04 × 1,807.17
  4. Step 4: Simplify right side
    3,066.22x = 7,646,213.07
  5. Step 5: Solve for x
    x = 7,646,213.07/3,066.22
  6. Step 6: Final answer
    x = 2,493.70

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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.