Home / 3,953.21-5,929.30-1,031.33

Finding the Fourth Proportional to 3,953.21, 5,929.30 and 1,031.33

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Solution

The fourth proportional to 3,953.21, 5,929.30 and 1,031.33 is: 1,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.21 : 5,929.30 = 1,031.33 : x
  2. Step 2: Convert to fraction form
    3,953.21/5,929.30 = 1,031.33/x
  3. Step 3: Cross multiply
    3,953.21x = 5,929.30 × 1,031.33
  4. Step 4: Simplify right side
    3,953.21x = 6,115,081.08
  5. Step 5: Solve for x
    x = 6,115,081.08/3,953.21
  6. Step 6: Final answer
    x = 1,546.87

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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.