Home / 3,695.80-5,543.34-1,474.78

Finding the Fourth Proportional to 3,695.80, 5,543.34 and 1,474.78

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Solution

The fourth proportional to 3,695.80, 5,543.34 and 1,474.78 is: 2,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.80 : 5,543.34 = 1,474.78 : x
  2. Step 2: Convert to fraction form
    3,695.80/5,543.34 = 1,474.78/x
  3. Step 3: Cross multiply
    3,695.80x = 5,543.34 × 1,474.78
  4. Step 4: Simplify right side
    3,695.80x = 8,175,206.97
  5. Step 5: Solve for x
    x = 8,175,206.97/3,695.80
  6. Step 6: Final answer
    x = 2,212.03

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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.