Home / 7,031.72-10,548.30-2,652.86

Finding the Fourth Proportional to 7,031.72, 10,548.30 and 2,652.86

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Solution

The fourth proportional to 7,031.72, 10,548.30 and 2,652.86 is: 3,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.72 : 10,548.30 = 2,652.86 : x
  2. Step 2: Convert to fraction form
    7,031.72/10,548.30 = 2,652.86/x
  3. Step 3: Cross multiply
    7,031.72x = 10,548.30 × 2,652.86
  4. Step 4: Simplify right side
    7,031.72x = 27,983,163.14
  5. Step 5: Solve for x
    x = 27,983,163.14/7,031.72
  6. Step 6: Final answer
    x = 3,979.56

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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.