Home / 3,949.04-5,444.65-2,796.75

Finding the Fourth Proportional to 3,949.04, 5,444.65 and 2,796.75

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Solution

The fourth proportional to 3,949.04, 5,444.65 and 2,796.75 is: 3,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.04 : 5,444.65 = 2,796.75 : x
  2. Step 2: Convert to fraction form
    3,949.04/5,444.65 = 2,796.75/x
  3. Step 3: Cross multiply
    3,949.04x = 5,444.65 × 2,796.75
  4. Step 4: Simplify right side
    3,949.04x = 15,227,317.90
  5. Step 5: Solve for x
    x = 15,227,317.90/3,949.04
  6. Step 6: Final answer
    x = 3,855.96

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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.