Home / 1,896.18-2,616.30-1,109.94

Finding the Fourth Proportional to 1,896.18, 2,616.30 and 1,109.94

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Solution

The fourth proportional to 1,896.18, 2,616.30 and 1,109.94 is: 1,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.18 : 2,616.30 = 1,109.94 : x
  2. Step 2: Convert to fraction form
    1,896.18/2,616.30 = 1,109.94/x
  3. Step 3: Cross multiply
    1,896.18x = 2,616.30 × 1,109.94
  4. Step 4: Simplify right side
    1,896.18x = 2,903,936.02
  5. Step 5: Solve for x
    x = 2,903,936.02/1,896.18
  6. Step 6: Final answer
    x = 1,531.47

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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.