Home / 5,482.11-8,223.16-2,192.90

Finding the Fourth Proportional to 5,482.11, 8,223.16 and 2,192.90

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Solution

The fourth proportional to 5,482.11, 8,223.16 and 2,192.90 is: 3,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.11 : 8,223.16 = 2,192.90 : x
  2. Step 2: Convert to fraction form
    5,482.11/8,223.16 = 2,192.90/x
  3. Step 3: Cross multiply
    5,482.11x = 8,223.16 × 2,192.90
  4. Step 4: Simplify right side
    5,482.11x = 18,032,567.56
  5. Step 5: Solve for x
    x = 18,032,567.56/5,482.11
  6. Step 6: Final answer
    x = 3,289.35

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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.