Home / 5,740.44-7,921.71-3,382.17

Finding the Fourth Proportional to 5,740.44, 7,921.71 and 3,382.17

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Solution

The fourth proportional to 5,740.44, 7,921.71 and 3,382.17 is: 4,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.44 : 7,921.71 = 3,382.17 : x
  2. Step 2: Convert to fraction form
    5,740.44/7,921.71 = 3,382.17/x
  3. Step 3: Cross multiply
    5,740.44x = 7,921.71 × 3,382.17
  4. Step 4: Simplify right side
    5,740.44x = 26,792,569.91
  5. Step 5: Solve for x
    x = 26,792,569.91/5,740.44
  6. Step 6: Final answer
    x = 4,667.34

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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.