Home / 5,230.08-7,217.64-2,872.44

Finding the Fourth Proportional to 5,230.08, 7,217.64 and 2,872.44

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Solution

The fourth proportional to 5,230.08, 7,217.64 and 2,872.44 is: 3,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.08 : 7,217.64 = 2,872.44 : x
  2. Step 2: Convert to fraction form
    5,230.08/7,217.64 = 2,872.44/x
  3. Step 3: Cross multiply
    5,230.08x = 7,217.64 × 2,872.44
  4. Step 4: Simplify right side
    5,230.08x = 20,732,237.84
  5. Step 5: Solve for x
    x = 20,732,237.84/5,230.08
  6. Step 6: Final answer
    x = 3,964.04

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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.