Home / 5,679.18-7,837.14-3,160.98

Finding the Fourth Proportional to 5,679.18, 7,837.14 and 3,160.98

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Solution

The fourth proportional to 5,679.18, 7,837.14 and 3,160.98 is: 4,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.18 : 7,837.14 = 3,160.98 : x
  2. Step 2: Convert to fraction form
    5,679.18/7,837.14 = 3,160.98/x
  3. Step 3: Cross multiply
    5,679.18x = 7,837.14 × 3,160.98
  4. Step 4: Simplify right side
    5,679.18x = 24,773,042.80
  5. Step 5: Solve for x
    x = 24,773,042.80/5,679.18
  6. Step 6: Final answer
    x = 4,362.08

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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.