Home / 5,928.84-8,181.45-3,690.63

Finding the Fourth Proportional to 5,928.84, 8,181.45 and 3,690.63

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Solution

The fourth proportional to 5,928.84, 8,181.45 and 3,690.63 is: 5,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.84 : 8,181.45 = 3,690.63 : x
  2. Step 2: Convert to fraction form
    5,928.84/8,181.45 = 3,690.63/x
  3. Step 3: Cross multiply
    5,928.84x = 8,181.45 × 3,690.63
  4. Step 4: Simplify right side
    5,928.84x = 30,194,704.81
  5. Step 5: Solve for x
    x = 30,194,704.81/5,928.84
  6. Step 6: Final answer
    x = 5,092.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.