Home / 5,974.21-8,242.04-3,455.85

Finding the Fourth Proportional to 5,974.21, 8,242.04 and 3,455.85

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Solution

The fourth proportional to 5,974.21, 8,242.04 and 3,455.85 is: 4,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.21 : 8,242.04 = 3,455.85 : x
  2. Step 2: Convert to fraction form
    5,974.21/8,242.04 = 3,455.85/x
  3. Step 3: Cross multiply
    5,974.21x = 8,242.04 × 3,455.85
  4. Step 4: Simplify right side
    5,974.21x = 28,483,216.05
  5. Step 5: Solve for x
    x = 28,483,216.05/5,974.21
  6. Step 6: Final answer
    x = 4,767.70

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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.