Home / 5,194.80-7,168.71-2,836.95

Finding the Fourth Proportional to 5,194.80, 7,168.71 and 2,836.95

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Solution

The fourth proportional to 5,194.80, 7,168.71 and 2,836.95 is: 3,914.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.80 : 7,168.71 = 2,836.95 : x
  2. Step 2: Convert to fraction form
    5,194.80/7,168.71 = 2,836.95/x
  3. Step 3: Cross multiply
    5,194.80x = 7,168.71 × 2,836.95
  4. Step 4: Simplify right side
    5,194.80x = 20,337,271.83
  5. Step 5: Solve for x
    x = 20,337,271.83/5,194.80
  6. Step 6: Final answer
    x = 3,914.93

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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.