Home / 3,031.29-4,180.37-1,967.93

Finding the Fourth Proportional to 3,031.29, 4,180.37 and 1,967.93

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Solution

The fourth proportional to 3,031.29, 4,180.37 and 1,967.93 is: 2,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.29 : 4,180.37 = 1,967.93 : x
  2. Step 2: Convert to fraction form
    3,031.29/4,180.37 = 1,967.93/x
  3. Step 3: Cross multiply
    3,031.29x = 4,180.37 × 1,967.93
  4. Step 4: Simplify right side
    3,031.29x = 8,226,644.79
  5. Step 5: Solve for x
    x = 8,226,644.79/3,031.29
  6. Step 6: Final answer
    x = 2,713.91

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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.