Home / 5,903.88-8,147.40-3,251.22

Finding the Fourth Proportional to 5,903.88, 8,147.40 and 3,251.22

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Solution

The fourth proportional to 5,903.88, 8,147.40 and 3,251.22 is: 4,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.88 : 8,147.40 = 3,251.22 : x
  2. Step 2: Convert to fraction form
    5,903.88/8,147.40 = 3,251.22/x
  3. Step 3: Cross multiply
    5,903.88x = 8,147.40 × 3,251.22
  4. Step 4: Simplify right side
    5,903.88x = 26,488,989.83
  5. Step 5: Solve for x
    x = 26,488,989.83/5,903.88
  6. Step 6: Final answer
    x = 4,486.71

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Double scale
Find fourth proportional to 5,904.88, 8,148.78 and 3,252.22
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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.