Home / 3,749.48-5,172.27-2,863.70

Finding the Fourth Proportional to 3,749.48, 5,172.27 and 2,863.70

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Solution

The fourth proportional to 3,749.48, 5,172.27 and 2,863.70 is: 3,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.48 : 5,172.27 = 2,863.70 : x
  2. Step 2: Convert to fraction form
    3,749.48/5,172.27 = 2,863.70/x
  3. Step 3: Cross multiply
    3,749.48x = 5,172.27 × 2,863.70
  4. Step 4: Simplify right side
    3,749.48x = 14,811,829.60
  5. Step 5: Solve for x
    x = 14,811,829.60/3,749.48
  6. Step 6: Final answer
    x = 3,950.37

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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.