Home / 3,369.68-5,055.48-1,178.96

Finding the Fourth Proportional to 3,369.68, 5,055.48 and 1,178.96

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Solution

The fourth proportional to 3,369.68, 5,055.48 and 1,178.96 is: 1,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.68 : 5,055.48 = 1,178.96 : x
  2. Step 2: Convert to fraction form
    3,369.68/5,055.48 = 1,178.96/x
  3. Step 3: Cross multiply
    3,369.68x = 5,055.48 × 1,178.96
  4. Step 4: Simplify right side
    3,369.68x = 5,960,208.70
  5. Step 5: Solve for x
    x = 5,960,208.70/3,369.68
  6. Step 6: Final answer
    x = 1,768.78

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1.5x scale

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.