Home / 7,136.20-10,707.38-3,848.53

Finding the Fourth Proportional to 7,136.20, 10,707.38 and 3,848.53

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Solution

The fourth proportional to 7,136.20, 10,707.38 and 3,848.53 is: 5,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.20 : 10,707.38 = 3,848.53 : x
  2. Step 2: Convert to fraction form
    7,136.20/10,707.38 = 3,848.53/x
  3. Step 3: Cross multiply
    7,136.20x = 10,707.38 × 3,848.53
  4. Step 4: Simplify right side
    7,136.20x = 41,207,673.15
  5. Step 5: Solve for x
    x = 41,207,673.15/7,136.20
  6. Step 6: Final answer
    x = 5,774.46

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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.