Home / 5,271.56-7,274.50-3,031.88

Finding the Fourth Proportional to 5,271.56, 7,274.50 and 3,031.88

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Solution

The fourth proportional to 5,271.56, 7,274.50 and 3,031.88 is: 4,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.56 : 7,274.50 = 3,031.88 : x
  2. Step 2: Convert to fraction form
    5,271.56/7,274.50 = 3,031.88/x
  3. Step 3: Cross multiply
    5,271.56x = 7,274.50 × 3,031.88
  4. Step 4: Simplify right side
    5,271.56x = 22,055,411.06
  5. Step 5: Solve for x
    x = 22,055,411.06/5,271.56
  6. Step 6: Final answer
    x = 4,183.85

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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.