Home / 1,896.17-2,616.63-1,056.85

Finding the Fourth Proportional to 1,896.17, 2,616.63 and 1,056.85

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Solution

The fourth proportional to 1,896.17, 2,616.63 and 1,056.85 is: 1,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.17 : 2,616.63 = 1,056.85 : x
  2. Step 2: Convert to fraction form
    1,896.17/2,616.63 = 1,056.85/x
  3. Step 3: Cross multiply
    1,896.17x = 2,616.63 × 1,056.85
  4. Step 4: Simplify right side
    1,896.17x = 2,765,372.33
  5. Step 5: Solve for x
    x = 2,765,372.33/1,896.17
  6. Step 6: Final answer
    x = 1,458.40

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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.