Home / 7,470.42-11,198.94-3,085.08

Finding the Fourth Proportional to 7,470.42, 11,198.94 and 3,085.08

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Solution

The fourth proportional to 7,470.42, 11,198.94 and 3,085.08 is: 4,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.42 : 11,198.94 = 3,085.08 : x
  2. Step 2: Convert to fraction form
    7,470.42/11,198.94 = 3,085.08/x
  3. Step 3: Cross multiply
    7,470.42x = 11,198.94 × 3,085.08
  4. Step 4: Simplify right side
    7,470.42x = 34,549,625.82
  5. Step 5: Solve for x
    x = 34,549,625.82/7,470.42
  6. Step 6: Final answer
    x = 4,624.86

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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.