Home / 4,805.87-6,632.14-2,891.41

Finding the Fourth Proportional to 4,805.87, 6,632.14 and 2,891.41

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Solution

The fourth proportional to 4,805.87, 6,632.14 and 2,891.41 is: 3,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805.87 : 6,632.14 = 2,891.41 : x
  2. Step 2: Convert to fraction form
    4,805.87/6,632.14 = 2,891.41/x
  3. Step 3: Cross multiply
    4,805.87x = 6,632.14 × 2,891.41
  4. Step 4: Simplify right side
    4,805.87x = 19,176,235.92
  5. Step 5: Solve for x
    x = 19,176,235.92/4,805.87
  6. Step 6: Final answer
    x = 3,990.17

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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.