Home / 1,896.81-2,617.56-1,110.84

Finding the Fourth Proportional to 1,896.81, 2,617.56 and 1,110.84

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Solution

The fourth proportional to 1,896.81, 2,617.56 and 1,110.84 is: 1,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.81 : 2,617.56 = 1,110.84 : x
  2. Step 2: Convert to fraction form
    1,896.81/2,617.56 = 1,110.84/x
  3. Step 3: Cross multiply
    1,896.81x = 2,617.56 × 1,110.84
  4. Step 4: Simplify right side
    1,896.81x = 2,907,690.35
  5. Step 5: Solve for x
    x = 2,907,690.35/1,896.81
  6. Step 6: Final answer
    x = 1,532.94

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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.