Home / 5,514.58-7,611.31-3,391.92

Finding the Fourth Proportional to 5,514.58, 7,611.31 and 3,391.92

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Solution

The fourth proportional to 5,514.58, 7,611.31 and 3,391.92 is: 4,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.58 : 7,611.31 = 3,391.92 : x
  2. Step 2: Convert to fraction form
    5,514.58/7,611.31 = 3,391.92/x
  3. Step 3: Cross multiply
    5,514.58x = 7,611.31 × 3,391.92
  4. Step 4: Simplify right side
    5,514.58x = 25,816,958.86
  5. Step 5: Solve for x
    x = 25,816,958.86/5,514.58
  6. Step 6: Final answer
    x = 4,681.58

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1.5x scale

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.