Home / 7,325.11-10,108.62-3,967.90

Finding the Fourth Proportional to 7,325.11, 10,108.62 and 3,967.90

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Solution

The fourth proportional to 7,325.11, 10,108.62 and 3,967.90 is: 5,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.11 : 10,108.62 = 3,967.90 : x
  2. Step 2: Convert to fraction form
    7,325.11/10,108.62 = 3,967.90/x
  3. Step 3: Cross multiply
    7,325.11x = 10,108.62 × 3,967.90
  4. Step 4: Simplify right side
    7,325.11x = 40,109,968.03
  5. Step 5: Solve for x
    x = 40,109,968.03/7,325.11
  6. Step 6: Final answer
    x = 5,475.68

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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.