Home / 3,512.22-4,814.72-3,449.40

Finding the Fourth Proportional to 3,512.22, 4,814.72 and 3,449.40

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Solution

The fourth proportional to 3,512.22, 4,814.72 and 3,449.40 is: 4,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.22 : 4,814.72 = 3,449.40 : x
  2. Step 2: Convert to fraction form
    3,512.22/4,814.72 = 3,449.40/x
  3. Step 3: Cross multiply
    3,512.22x = 4,814.72 × 3,449.40
  4. Step 4: Simplify right side
    3,512.22x = 16,607,877.92
  5. Step 5: Solve for x
    x = 16,607,877.92/3,512.22
  6. Step 6: Final answer
    x = 4,728.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.