Home / 3,401.04-4,691.49-2,729.60

Finding the Fourth Proportional to 3,401.04, 4,691.49 and 2,729.60

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Solution

The fourth proportional to 3,401.04, 4,691.49 and 2,729.60 is: 3,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.04 : 4,691.49 = 2,729.60 : x
  2. Step 2: Convert to fraction form
    3,401.04/4,691.49 = 2,729.60/x
  3. Step 3: Cross multiply
    3,401.04x = 4,691.49 × 2,729.60
  4. Step 4: Simplify right side
    3,401.04x = 12,805,867.65
  5. Step 5: Solve for x
    x = 12,805,867.65/3,401.04
  6. Step 6: Final answer
    x = 3,765.28

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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.