Home / 5,827.72-8,733.80-2,126.48

Finding the Fourth Proportional to 5,827.72, 8,733.80 and 2,126.48

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Solution

The fourth proportional to 5,827.72, 8,733.80 and 2,126.48 is: 3,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.72 : 8,733.80 = 2,126.48 : x
  2. Step 2: Convert to fraction form
    5,827.72/8,733.80 = 2,126.48/x
  3. Step 3: Cross multiply
    5,827.72x = 8,733.80 × 2,126.48
  4. Step 4: Simplify right side
    5,827.72x = 18,572,251.02
  5. Step 5: Solve for x
    x = 18,572,251.02/5,827.72
  6. Step 6: Final answer
    x = 3,186.88

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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.