Home / 3,370.21-5,055.75-1,179.56

Finding the Fourth Proportional to 3,370.21, 5,055.75 and 1,179.56

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Solution

The fourth proportional to 3,370.21, 5,055.75 and 1,179.56 is: 1,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.21 : 5,055.75 = 1,179.56 : x
  2. Step 2: Convert to fraction form
    3,370.21/5,055.75 = 1,179.56/x
  3. Step 3: Cross multiply
    3,370.21x = 5,055.75 × 1,179.56
  4. Step 4: Simplify right side
    3,370.21x = 5,963,573.11
  5. Step 5: Solve for x
    x = 5,963,573.11/3,370.21
  6. Step 6: Final answer
    x = 1,769.50

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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.