Home / 2,066.12-2,851.26-1,181.92

Finding the Fourth Proportional to 2,066.12, 2,851.26 and 1,181.92

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Solution

The fourth proportional to 2,066.12, 2,851.26 and 1,181.92 is: 1,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.12 : 2,851.26 = 1,181.92 : x
  2. Step 2: Convert to fraction form
    2,066.12/2,851.26 = 1,181.92/x
  3. Step 3: Cross multiply
    2,066.12x = 2,851.26 × 1,181.92
  4. Step 4: Simplify right side
    2,066.12x = 3,369,961.22
  5. Step 5: Solve for x
    x = 3,369,961.22/2,066.12
  6. Step 6: Final answer
    x = 1,631.06

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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.