Home / 5,181.60-7,773.54-1,894.68

Finding the Fourth Proportional to 5,181.60, 7,773.54 and 1,894.68

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Solution

The fourth proportional to 5,181.60, 7,773.54 and 1,894.68 is: 2,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.60 : 7,773.54 = 1,894.68 : x
  2. Step 2: Convert to fraction form
    5,181.60/7,773.54 = 1,894.68/x
  3. Step 3: Cross multiply
    5,181.60x = 7,773.54 × 1,894.68
  4. Step 4: Simplify right side
    5,181.60x = 14,728,370.77
  5. Step 5: Solve for x
    x = 14,728,370.77/5,181.60
  6. Step 6: Final answer
    x = 2,842.44

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1.5x scale

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.