Home / 4,245.75-5,861.46-2,971.59

Finding the Fourth Proportional to 4,245.75, 5,861.46 and 2,971.59

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Solution

The fourth proportional to 4,245.75, 5,861.46 and 2,971.59 is: 4,102.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.75 : 5,861.46 = 2,971.59 : x
  2. Step 2: Convert to fraction form
    4,245.75/5,861.46 = 2,971.59/x
  3. Step 3: Cross multiply
    4,245.75x = 5,861.46 × 2,971.59
  4. Step 4: Simplify right side
    4,245.75x = 17,417,855.92
  5. Step 5: Solve for x
    x = 17,417,855.92/4,245.75
  6. Step 6: Final answer
    x = 4,102.42

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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.