Home / 1,896.39-2,617.03-1,057.16

Finding the Fourth Proportional to 1,896.39, 2,617.03 and 1,057.16

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Solution

The fourth proportional to 1,896.39, 2,617.03 and 1,057.16 is: 1,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.39 : 2,617.03 = 1,057.16 : x
  2. Step 2: Convert to fraction form
    1,896.39/2,617.03 = 1,057.16/x
  3. Step 3: Cross multiply
    1,896.39x = 2,617.03 × 1,057.16
  4. Step 4: Simplify right side
    1,896.39x = 2,766,633.95
  5. Step 5: Solve for x
    x = 2,766,633.95/1,896.39
  6. Step 6: Final answer
    x = 1,458.90

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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.