Home / 7,470.92-11,199.69-3,085.58

Finding the Fourth Proportional to 7,470.92, 11,199.69 and 3,085.58

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Solution

The fourth proportional to 7,470.92, 11,199.69 and 3,085.58 is: 4,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.92 : 11,199.69 = 3,085.58 : x
  2. Step 2: Convert to fraction form
    7,470.92/11,199.69 = 3,085.58/x
  3. Step 3: Cross multiply
    7,470.92x = 11,199.69 × 3,085.58
  4. Step 4: Simplify right side
    7,470.92x = 34,557,539.47
  5. Step 5: Solve for x
    x = 34,557,539.47/7,470.92
  6. Step 6: Final answer
    x = 4,625.61

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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.