Home / 5,146.11-7,723.98-2,682.72

Finding the Fourth Proportional to 5,146.11, 7,723.98 and 2,682.72

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Solution

The fourth proportional to 5,146.11, 7,723.98 and 2,682.72 is: 4,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.11 : 7,723.98 = 2,682.72 : x
  2. Step 2: Convert to fraction form
    5,146.11/7,723.98 = 2,682.72/x
  3. Step 3: Cross multiply
    5,146.11x = 7,723.98 × 2,682.72
  4. Step 4: Simplify right side
    5,146.11x = 20,721,275.63
  5. Step 5: Solve for x
    x = 20,721,275.63/5,146.11
  6. Step 6: Final answer
    x = 4,026.59

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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.