Home / 4,927.58-7,391.18-2,005.78

Finding the Fourth Proportional to 4,927.58, 7,391.18 and 2,005.78

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Solution

The fourth proportional to 4,927.58, 7,391.18 and 2,005.78 is: 3,008.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.58 : 7,391.18 = 2,005.78 : x
  2. Step 2: Convert to fraction form
    4,927.58/7,391.18 = 2,005.78/x
  3. Step 3: Cross multiply
    4,927.58x = 7,391.18 × 2,005.78
  4. Step 4: Simplify right side
    4,927.58x = 14,825,081.02
  5. Step 5: Solve for x
    x = 14,825,081.02/4,927.58
  6. Step 6: Final answer
    x = 3,008.59

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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.