Home / 2,939.11-4,056.54-1,744.36

Finding the Fourth Proportional to 2,939.11, 4,056.54 and 1,744.36

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Solution

The fourth proportional to 2,939.11, 4,056.54 and 1,744.36 is: 2,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.11 : 4,056.54 = 1,744.36 : x
  2. Step 2: Convert to fraction form
    2,939.11/4,056.54 = 1,744.36/x
  3. Step 3: Cross multiply
    2,939.11x = 4,056.54 × 1,744.36
  4. Step 4: Simplify right side
    2,939.11x = 7,076,066.11
  5. Step 5: Solve for x
    x = 7,076,066.11/2,939.11
  6. Step 6: Final answer
    x = 2,407.55

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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.