Home / 5,479.98-7,559.53-4,151.38

Finding the Fourth Proportional to 5,479.98, 7,559.53 and 4,151.38

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Solution

The fourth proportional to 5,479.98, 7,559.53 and 4,151.38 is: 5,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.98 : 7,559.53 = 4,151.38 : x
  2. Step 2: Convert to fraction form
    5,479.98/7,559.53 = 4,151.38/x
  3. Step 3: Cross multiply
    5,479.98x = 7,559.53 × 4,151.38
  4. Step 4: Simplify right side
    5,479.98x = 31,382,481.65
  5. Step 5: Solve for x
    x = 31,382,481.65/5,479.98
  6. Step 6: Final answer
    x = 5,726.75

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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.