Home / 3,065.16-4,223.88-2,179.44

Finding the Fourth Proportional to 3,065.16, 4,223.88 and 2,179.44

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Solution

The fourth proportional to 3,065.16, 4,223.88 and 2,179.44 is: 3,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.16 : 4,223.88 = 2,179.44 : x
  2. Step 2: Convert to fraction form
    3,065.16/4,223.88 = 2,179.44/x
  3. Step 3: Cross multiply
    3,065.16x = 4,223.88 × 2,179.44
  4. Step 4: Simplify right side
    3,065.16x = 9,205,693.03
  5. Step 5: Solve for x
    x = 9,205,693.03/3,065.16
  6. Step 6: Final answer
    x = 3,003.33

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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.