Home / 1,896.38-2,616.74-1,056.98

Finding the Fourth Proportional to 1,896.38, 2,616.74 and 1,056.98

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Solution

The fourth proportional to 1,896.38, 2,616.74 and 1,056.98 is: 1,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.38 : 2,616.74 = 1,056.98 : x
  2. Step 2: Convert to fraction form
    1,896.38/2,616.74 = 1,056.98/x
  3. Step 3: Cross multiply
    1,896.38x = 2,616.74 × 1,056.98
  4. Step 4: Simplify right side
    1,896.38x = 2,765,853.01
  5. Step 5: Solve for x
    x = 2,765,853.01/1,896.38
  6. Step 6: Final answer
    x = 1,458.49

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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.