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Finding the Fourth Proportional to 5,862.74, 8,080.97 and 3,619.71

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Solution

The fourth proportional to 5,862.74, 8,080.97 and 3,619.71 is: 4,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.74 : 8,080.97 = 3,619.71 : x
  2. Step 2: Convert to fraction form
    5,862.74/8,080.97 = 3,619.71/x
  3. Step 3: Cross multiply
    5,862.74x = 8,080.97 × 3,619.71
  4. Step 4: Simplify right side
    5,862.74x = 29,250,749.82
  5. Step 5: Solve for x
    x = 29,250,749.82/5,862.74
  6. Step 6: Final answer
    x = 4,989.27

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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.