Home / 3,876.23-5,349.16-2,550.67

Finding the Fourth Proportional to 3,876.23, 5,349.16 and 2,550.67

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Solution

The fourth proportional to 3,876.23, 5,349.16 and 2,550.67 is: 3,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.23 : 5,349.16 = 2,550.67 : x
  2. Step 2: Convert to fraction form
    3,876.23/5,349.16 = 2,550.67/x
  3. Step 3: Cross multiply
    3,876.23x = 5,349.16 × 2,550.67
  4. Step 4: Simplify right side
    3,876.23x = 13,643,941.94
  5. Step 5: Solve for x
    x = 13,643,941.94/3,876.23
  6. Step 6: Final answer
    x = 3,519.90

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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.