Home / 3,243.63-4,478.24-2,574.17

Finding the Fourth Proportional to 3,243.63, 4,478.24 and 2,574.17

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Solution

The fourth proportional to 3,243.63, 4,478.24 and 2,574.17 is: 3,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.63 : 4,478.24 = 2,574.17 : x
  2. Step 2: Convert to fraction form
    3,243.63/4,478.24 = 2,574.17/x
  3. Step 3: Cross multiply
    3,243.63x = 4,478.24 × 2,574.17
  4. Step 4: Simplify right side
    3,243.63x = 11,527,751.06
  5. Step 5: Solve for x
    x = 11,527,751.06/3,243.63
  6. Step 6: Final answer
    x = 3,553.97

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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.