Home / 3,423.12-4,724.04-2,243.28

Finding the Fourth Proportional to 3,423.12, 4,724.04 and 2,243.28

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Solution

The fourth proportional to 3,423.12, 4,724.04 and 2,243.28 is: 3,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.12 : 4,724.04 = 2,243.28 : x
  2. Step 2: Convert to fraction form
    3,423.12/4,724.04 = 2,243.28/x
  3. Step 3: Cross multiply
    3,423.12x = 4,724.04 × 2,243.28
  4. Step 4: Simplify right side
    3,423.12x = 10,597,344.45
  5. Step 5: Solve for x
    x = 10,597,344.45/3,423.12
  6. Step 6: Final answer
    x = 3,095.81

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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.