Home / 5,920.12-8,173.90-3,683

Finding the Fourth Proportional to 5,920.12, 8,173.90 and 3,683

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Solution

The fourth proportional to 5,920.12, 8,173.90 and 3,683 is: 5,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.12 : 8,173.90 = 3,683 : x
  2. Step 2: Convert to fraction form
    5,920.12/8,173.90 = 3,683/x
  3. Step 3: Cross multiply
    5,920.12x = 8,173.90 × 3,683
  4. Step 4: Simplify right side
    5,920.12x = 30,104,473.70
  5. Step 5: Solve for x
    x = 30,104,473.70/5,920.12
  6. Step 6: Final answer
    x = 5,085.11

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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.