Home / 5,985.42-8,251.31-4,211.52

Finding the Fourth Proportional to 5,985.42, 8,251.31 and 4,211.52

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Solution

The fourth proportional to 5,985.42, 8,251.31 and 4,211.52 is: 5,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.42 : 8,251.31 = 4,211.52 : x
  2. Step 2: Convert to fraction form
    5,985.42/8,251.31 = 4,211.52/x
  3. Step 3: Cross multiply
    5,985.42x = 8,251.31 × 4,211.52
  4. Step 4: Simplify right side
    5,985.42x = 34,750,536.03
  5. Step 5: Solve for x
    x = 34,750,536.03/5,985.42
  6. Step 6: Final answer
    x = 5,805.86

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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.