Home / 3,168.12-4,373.22-2,835.96

Finding the Fourth Proportional to 3,168.12, 4,373.22 and 2,835.96

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Solution

The fourth proportional to 3,168.12, 4,373.22 and 2,835.96 is: 3,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.12 : 4,373.22 = 2,835.96 : x
  2. Step 2: Convert to fraction form
    3,168.12/4,373.22 = 2,835.96/x
  3. Step 3: Cross multiply
    3,168.12x = 4,373.22 × 2,835.96
  4. Step 4: Simplify right side
    3,168.12x = 12,402,276.99
  5. Step 5: Solve for x
    x = 12,402,276.99/3,168.12
  6. Step 6: Final answer
    x = 3,914.71

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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.