Home / 3,749.13-5,623.68-1,668.63

Finding the Fourth Proportional to 3,749.13, 5,623.68 and 1,668.63

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Solution

The fourth proportional to 3,749.13, 5,623.68 and 1,668.63 is: 2,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.13 : 5,623.68 = 1,668.63 : x
  2. Step 2: Convert to fraction form
    3,749.13/5,623.68 = 1,668.63/x
  3. Step 3: Cross multiply
    3,749.13x = 5,623.68 × 1,668.63
  4. Step 4: Simplify right side
    3,749.13x = 9,383,841.16
  5. Step 5: Solve for x
    x = 9,383,841.16/3,749.13
  6. Step 6: Final answer
    x = 2,502.94

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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.