Home / 4,212.75-5,813.60-2,349.75

Finding the Fourth Proportional to 4,212.75, 5,813.60 and 2,349.75

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Solution

The fourth proportional to 4,212.75, 5,813.60 and 2,349.75 is: 3,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.75 : 5,813.60 = 2,349.75 : x
  2. Step 2: Convert to fraction form
    4,212.75/5,813.60 = 2,349.75/x
  3. Step 3: Cross multiply
    4,212.75x = 5,813.60 × 2,349.75
  4. Step 4: Simplify right side
    4,212.75x = 13,660,494.85
  5. Step 5: Solve for x
    x = 13,660,494.85/4,212.75
  6. Step 6: Final answer
    x = 3,242.66

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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.