Home / 5,864.34-8,791.58-2,742.78

Finding the Fourth Proportional to 5,864.34, 8,791.58 and 2,742.78

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Solution

The fourth proportional to 5,864.34, 8,791.58 and 2,742.78 is: 4,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,864.34 : 8,791.58 = 2,742.78 : x
  2. Step 2: Convert to fraction form
    5,864.34/8,791.58 = 2,742.78/x
  3. Step 3: Cross multiply
    5,864.34x = 8,791.58 × 2,742.78
  4. Step 4: Simplify right side
    5,864.34x = 24,113,369.79
  5. Step 5: Solve for x
    x = 24,113,369.79/5,864.34
  6. Step 6: Final answer
    x = 4,111.86

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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.