Home / 5,514.75-7,610.36-3,157.65

Finding the Fourth Proportional to 5,514.75, 7,610.36 and 3,157.65

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Solution

The fourth proportional to 5,514.75, 7,610.36 and 3,157.65 is: 4,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.75 : 7,610.36 = 3,157.65 : x
  2. Step 2: Convert to fraction form
    5,514.75/7,610.36 = 3,157.65/x
  3. Step 3: Cross multiply
    5,514.75x = 7,610.36 × 3,157.65
  4. Step 4: Simplify right side
    5,514.75x = 24,030,837.47
  5. Step 5: Solve for x
    x = 24,030,837.47/5,514.75
  6. Step 6: Final answer
    x = 4,357.56

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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.