Home / 3,223.37-4,448.12-1,879.11

Finding the Fourth Proportional to 3,223.37, 4,448.12 and 1,879.11

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Solution

The fourth proportional to 3,223.37, 4,448.12 and 1,879.11 is: 2,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.37 : 4,448.12 = 1,879.11 : x
  2. Step 2: Convert to fraction form
    3,223.37/4,448.12 = 1,879.11/x
  3. Step 3: Cross multiply
    3,223.37x = 4,448.12 × 1,879.11
  4. Step 4: Simplify right side
    3,223.37x = 8,358,506.77
  5. Step 5: Solve for x
    x = 8,358,506.77/3,223.37
  6. Step 6: Final answer
    x = 2,593.10

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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.