Home / 1,896.21-2,616.67-1,056.88

Finding the Fourth Proportional to 1,896.21, 2,616.67 and 1,056.88

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Solution

The fourth proportional to 1,896.21, 2,616.67 and 1,056.88 is: 1,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.21 : 2,616.67 = 1,056.88 : x
  2. Step 2: Convert to fraction form
    1,896.21/2,616.67 = 1,056.88/x
  3. Step 3: Cross multiply
    1,896.21x = 2,616.67 × 1,056.88
  4. Step 4: Simplify right side
    1,896.21x = 2,765,510.78
  5. Step 5: Solve for x
    x = 2,765,510.78/1,896.21
  6. Step 6: Final answer
    x = 1,458.44

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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.