Home / 5,425.14-8,129.34-4,031.94

Finding the Fourth Proportional to 5,425.14, 8,129.34 and 4,031.94

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Solution

The fourth proportional to 5,425.14, 8,129.34 and 4,031.94 is: 6,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.14 : 8,129.34 = 4,031.94 : x
  2. Step 2: Convert to fraction form
    5,425.14/8,129.34 = 4,031.94/x
  3. Step 3: Cross multiply
    5,425.14x = 8,129.34 × 4,031.94
  4. Step 4: Simplify right side
    5,425.14x = 32,777,011.12
  5. Step 5: Solve for x
    x = 32,777,011.12/5,425.14
  6. Step 6: Final answer
    x = 6,041.69

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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.