Home / 1,896.93-2,617.96-1,111.63

Finding the Fourth Proportional to 1,896.93, 2,617.96 and 1,111.63

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Solution

The fourth proportional to 1,896.93, 2,617.96 and 1,111.63 is: 1,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.93 : 2,617.96 = 1,111.63 : x
  2. Step 2: Convert to fraction form
    1,896.93/2,617.96 = 1,111.63/x
  3. Step 3: Cross multiply
    1,896.93x = 2,617.96 × 1,111.63
  4. Step 4: Simplify right side
    1,896.93x = 2,910,202.87
  5. Step 5: Solve for x
    x = 2,910,202.87/1,896.93
  6. Step 6: Final answer
    x = 1,534.16

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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.