Home / 4,780.08-7,174.23-1,860.44

Finding the Fourth Proportional to 4,780.08, 7,174.23 and 1,860.44

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Solution

The fourth proportional to 4,780.08, 7,174.23 and 1,860.44 is: 2,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.08 : 7,174.23 = 1,860.44 : x
  2. Step 2: Convert to fraction form
    4,780.08/7,174.23 = 1,860.44/x
  3. Step 3: Cross multiply
    4,780.08x = 7,174.23 × 1,860.44
  4. Step 4: Simplify right side
    4,780.08x = 13,347,181.61
  5. Step 5: Solve for x
    x = 13,347,181.61/4,780.08
  6. Step 6: Final answer
    x = 2,792.25

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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.