Home / 3,168.39-4,752.21-1,219.23

Finding the Fourth Proportional to 3,168.39, 4,752.21 and 1,219.23

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Solution

The fourth proportional to 3,168.39, 4,752.21 and 1,219.23 is: 1,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.39 : 4,752.21 = 1,219.23 : x
  2. Step 2: Convert to fraction form
    3,168.39/4,752.21 = 1,219.23/x
  3. Step 3: Cross multiply
    3,168.39x = 4,752.21 × 1,219.23
  4. Step 4: Simplify right side
    3,168.39x = 5,794,037.00
  5. Step 5: Solve for x
    x = 5,794,037.00/3,168.39
  6. Step 6: Final answer
    x = 1,828.70

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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.