Home / 2,933.76-4,048.32-1,938.24

Finding the Fourth Proportional to 2,933.76, 4,048.32 and 1,938.24

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Solution

The fourth proportional to 2,933.76, 4,048.32 and 1,938.24 is: 2,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.76 : 4,048.32 = 1,938.24 : x
  2. Step 2: Convert to fraction form
    2,933.76/4,048.32 = 1,938.24/x
  3. Step 3: Cross multiply
    2,933.76x = 4,048.32 × 1,938.24
  4. Step 4: Simplify right side
    2,933.76x = 7,846,615.76
  5. Step 5: Solve for x
    x = 7,846,615.76/2,933.76
  6. Step 6: Final answer
    x = 2,674.59

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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.