Home / 3,426.42-4,724.04-2,796.30

Finding the Fourth Proportional to 3,426.42, 4,724.04 and 2,796.30

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Solution

The fourth proportional to 3,426.42, 4,724.04 and 2,796.30 is: 3,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.42 : 4,724.04 = 2,796.30 : x
  2. Step 2: Convert to fraction form
    3,426.42/4,724.04 = 2,796.30/x
  3. Step 3: Cross multiply
    3,426.42x = 4,724.04 × 2,796.30
  4. Step 4: Simplify right side
    3,426.42x = 13,209,833.05
  5. Step 5: Solve for x
    x = 13,209,833.05/3,426.42
  6. Step 6: Final answer
    x = 3,855.29

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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.