Home / 2,896.24-3,996.56-1,717.12

Finding the Fourth Proportional to 2,896.24, 3,996.56 and 1,717.12

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Solution

The fourth proportional to 2,896.24, 3,996.56 and 1,717.12 is: 2,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.24 : 3,996.56 = 1,717.12 : x
  2. Step 2: Convert to fraction form
    2,896.24/3,996.56 = 1,717.12/x
  3. Step 3: Cross multiply
    2,896.24x = 3,996.56 × 1,717.12
  4. Step 4: Simplify right side
    2,896.24x = 6,862,573.11
  5. Step 5: Solve for x
    x = 6,862,573.11/2,896.24
  6. Step 6: Final answer
    x = 2,369.48

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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.