Home / 3,313.98-4,573.29-1,821.92

Finding the Fourth Proportional to 3,313.98, 4,573.29 and 1,821.92

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Solution

The fourth proportional to 3,313.98, 4,573.29 and 1,821.92 is: 2,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.98 : 4,573.29 = 1,821.92 : x
  2. Step 2: Convert to fraction form
    3,313.98/4,573.29 = 1,821.92/x
  3. Step 3: Cross multiply
    3,313.98x = 4,573.29 × 1,821.92
  4. Step 4: Simplify right side
    3,313.98x = 8,332,170.79
  5. Step 5: Solve for x
    x = 8,332,170.79/3,313.98
  6. Step 6: Final answer
    x = 2,514.25

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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.