Home / 1,895.44-2,616.42-1,109.74

Finding the Fourth Proportional to 1,895.44, 2,616.42 and 1,109.74

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Solution

The fourth proportional to 1,895.44, 2,616.42 and 1,109.74 is: 1,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.44 : 2,616.42 = 1,109.74 : x
  2. Step 2: Convert to fraction form
    1,895.44/2,616.42 = 1,109.74/x
  3. Step 3: Cross multiply
    1,895.44x = 2,616.42 × 1,109.74
  4. Step 4: Simplify right side
    1,895.44x = 2,903,545.93
  5. Step 5: Solve for x
    x = 2,903,545.93/1,895.44
  6. Step 6: Final answer
    x = 1,531.86

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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.