Home / 5,981.12-8,954.64-3,982.84

Finding the Fourth Proportional to 5,981.12, 8,954.64 and 3,982.84

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Solution

The fourth proportional to 5,981.12, 8,954.64 and 3,982.84 is: 5,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.12 : 8,954.64 = 3,982.84 : x
  2. Step 2: Convert to fraction form
    5,981.12/8,954.64 = 3,982.84/x
  3. Step 3: Cross multiply
    5,981.12x = 8,954.64 × 3,982.84
  4. Step 4: Simplify right side
    5,981.12x = 35,664,898.38
  5. Step 5: Solve for x
    x = 35,664,898.38/5,981.12
  6. Step 6: Final answer
    x = 5,962.91

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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.