Home / 3,941.06-5,438.95-2,449.04

Finding the Fourth Proportional to 3,941.06, 5,438.95 and 2,449.04

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Solution

The fourth proportional to 3,941.06, 5,438.95 and 2,449.04 is: 3,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.06 : 5,438.95 = 2,449.04 : x
  2. Step 2: Convert to fraction form
    3,941.06/5,438.95 = 2,449.04/x
  3. Step 3: Cross multiply
    3,941.06x = 5,438.95 × 2,449.04
  4. Step 4: Simplify right side
    3,941.06x = 13,320,172.79
  5. Step 5: Solve for x
    x = 13,320,172.79/3,941.06
  6. Step 6: Final answer
    x = 3,379.85

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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.