Home / 5,519.70-7,619.04-3,425.04

Finding the Fourth Proportional to 5,519.70, 7,619.04 and 3,425.04

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Solution

The fourth proportional to 5,519.70, 7,619.04 and 3,425.04 is: 4,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.70 : 7,619.04 = 3,425.04 : x
  2. Step 2: Convert to fraction form
    5,519.70/7,619.04 = 3,425.04/x
  3. Step 3: Cross multiply
    5,519.70x = 7,619.04 × 3,425.04
  4. Step 4: Simplify right side
    5,519.70x = 26,095,516.76
  5. Step 5: Solve for x
    x = 26,095,516.76/5,519.70
  6. Step 6: Final answer
    x = 4,727.71

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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.