Home / 3,948.45-5,922.11-1,175.01

Finding the Fourth Proportional to 3,948.45, 5,922.11 and 1,175.01

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Solution

The fourth proportional to 3,948.45, 5,922.11 and 1,175.01 is: 1,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.45 : 5,922.11 = 1,175.01 : x
  2. Step 2: Convert to fraction form
    3,948.45/5,922.11 = 1,175.01/x
  3. Step 3: Cross multiply
    3,948.45x = 5,922.11 × 1,175.01
  4. Step 4: Simplify right side
    3,948.45x = 6,958,519.20
  5. Step 5: Solve for x
    x = 6,958,519.20/3,948.45
  6. Step 6: Final answer
    x = 1,762.34

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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.