Home / 4,166.81-5,754.92-2,838.21

Finding the Fourth Proportional to 4,166.81, 5,754.92 and 2,838.21

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Solution

The fourth proportional to 4,166.81, 5,754.92 and 2,838.21 is: 3,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.81 : 5,754.92 = 2,838.21 : x
  2. Step 2: Convert to fraction form
    4,166.81/5,754.92 = 2,838.21/x
  3. Step 3: Cross multiply
    4,166.81x = 5,754.92 × 2,838.21
  4. Step 4: Simplify right side
    4,166.81x = 16,333,657.30
  5. Step 5: Solve for x
    x = 16,333,657.30/4,166.81
  6. Step 6: Final answer
    x = 3,919.95

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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.