Home / 1,519.26-2,096.43-856.10

Finding the Fourth Proportional to 1,519.26, 2,096.43 and 856.10

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Solution

The fourth proportional to 1,519.26, 2,096.43 and 856.10 is: 1,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.26 : 2,096.43 = 856.10 : x
  2. Step 2: Convert to fraction form
    1,519.26/2,096.43 = 856.10/x
  3. Step 3: Cross multiply
    1,519.26x = 2,096.43 × 856.10
  4. Step 4: Simplify right side
    1,519.26x = 1,794,743.24
  5. Step 5: Solve for x
    x = 1,794,743.24/1,519.26
  6. Step 6: Final answer
    x = 1,181.33

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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.