Home / 4,039.28-6,061.71-2,653.28

Finding the Fourth Proportional to 4,039.28, 6,061.71 and 2,653.28

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Solution

The fourth proportional to 4,039.28, 6,061.71 and 2,653.28 is: 3,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.28 : 6,061.71 = 2,653.28 : x
  2. Step 2: Convert to fraction form
    4,039.28/6,061.71 = 2,653.28/x
  3. Step 3: Cross multiply
    4,039.28x = 6,061.71 × 2,653.28
  4. Step 4: Simplify right side
    4,039.28x = 16,083,413.91
  5. Step 5: Solve for x
    x = 16,083,413.91/4,039.28
  6. Step 6: Final answer
    x = 3,981.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.