Home / 3,060.96-4,224.12-1,663.70

Finding the Fourth Proportional to 3,060.96, 4,224.12 and 1,663.70

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Solution

The fourth proportional to 3,060.96, 4,224.12 and 1,663.70 is: 2,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.96 : 4,224.12 = 1,663.70 : x
  2. Step 2: Convert to fraction form
    3,060.96/4,224.12 = 1,663.70/x
  3. Step 3: Cross multiply
    3,060.96x = 4,224.12 × 1,663.70
  4. Step 4: Simplify right side
    3,060.96x = 7,027,668.44
  5. Step 5: Solve for x
    x = 7,027,668.44/3,060.96
  6. Step 6: Final answer
    x = 2,295.90

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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.