Home / 2,974.63-4,456.18-2,289.19

Finding the Fourth Proportional to 2,974.63, 4,456.18 and 2,289.19

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Solution

The fourth proportional to 2,974.63, 4,456.18 and 2,289.19 is: 3,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.63 : 4,456.18 = 2,289.19 : x
  2. Step 2: Convert to fraction form
    2,974.63/4,456.18 = 2,289.19/x
  3. Step 3: Cross multiply
    2,974.63x = 4,456.18 × 2,289.19
  4. Step 4: Simplify right side
    2,974.63x = 10,201,042.69
  5. Step 5: Solve for x
    x = 10,201,042.69/2,974.63
  6. Step 6: Final answer
    x = 3,429.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.