Home / 3,948.12-5,922.68-1,174.88

Finding the Fourth Proportional to 3,948.12, 5,922.68 and 1,174.88

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Solution

The fourth proportional to 3,948.12, 5,922.68 and 1,174.88 is: 1,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.12 : 5,922.68 = 1,174.88 : x
  2. Step 2: Convert to fraction form
    3,948.12/5,922.68 = 1,174.88/x
  3. Step 3: Cross multiply
    3,948.12x = 5,922.68 × 1,174.88
  4. Step 4: Simplify right side
    3,948.12x = 6,958,438.28
  5. Step 5: Solve for x
    x = 6,958,438.28/3,948.12
  6. Step 6: Final answer
    x = 1,762.47

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1.5x scale

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.