Home / 2,939.30-4,056.26-1,613.04

Finding the Fourth Proportional to 2,939.30, 4,056.26 and 1,613.04

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Solution

The fourth proportional to 2,939.30, 4,056.26 and 1,613.04 is: 2,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.30 : 4,056.26 = 1,613.04 : x
  2. Step 2: Convert to fraction form
    2,939.30/4,056.26 = 1,613.04/x
  3. Step 3: Cross multiply
    2,939.30x = 4,056.26 × 1,613.04
  4. Step 4: Simplify right side
    2,939.30x = 6,542,909.63
  5. Step 5: Solve for x
    x = 6,542,909.63/2,939.30
  6. Step 6: Final answer
    x = 2,226.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.