Home / 3,896.16-5,376.63-2,127.93

Finding the Fourth Proportional to 3,896.16, 5,376.63 and 2,127.93

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Solution

The fourth proportional to 3,896.16, 5,376.63 and 2,127.93 is: 2,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.16 : 5,376.63 = 2,127.93 : x
  2. Step 2: Convert to fraction form
    3,896.16/5,376.63 = 2,127.93/x
  3. Step 3: Cross multiply
    3,896.16x = 5,376.63 × 2,127.93
  4. Step 4: Simplify right side
    3,896.16x = 11,441,092.28
  5. Step 5: Solve for x
    x = 11,441,092.28/3,896.16
  6. Step 6: Final answer
    x = 2,936.50

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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.