Home / 5,790.48-8,689.92-2,668.56

Finding the Fourth Proportional to 5,790.48, 8,689.92 and 2,668.56

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Solution

The fourth proportional to 5,790.48, 8,689.92 and 2,668.56 is: 4,004.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.48 : 8,689.92 = 2,668.56 : x
  2. Step 2: Convert to fraction form
    5,790.48/8,689.92 = 2,668.56/x
  3. Step 3: Cross multiply
    5,790.48x = 8,689.92 × 2,668.56
  4. Step 4: Simplify right side
    5,790.48x = 23,189,572.92
  5. Step 5: Solve for x
    x = 23,189,572.92/5,790.48
  6. Step 6: Final answer
    x = 4,004.78

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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.