Home / 2,213.13-3,056.22-1,896.57

Finding the Fourth Proportional to 2,213.13, 3,056.22 and 1,896.57

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Solution

The fourth proportional to 2,213.13, 3,056.22 and 1,896.57 is: 2,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.13 : 3,056.22 = 1,896.57 : x
  2. Step 2: Convert to fraction form
    2,213.13/3,056.22 = 1,896.57/x
  3. Step 3: Cross multiply
    2,213.13x = 3,056.22 × 1,896.57
  4. Step 4: Simplify right side
    2,213.13x = 5,796,335.17
  5. Step 5: Solve for x
    x = 5,796,335.17/2,213.13
  6. Step 6: Final answer
    x = 2,619.07

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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.