Home / 5,472.10-8,212.12-2,186.14

Finding the Fourth Proportional to 5,472.10, 8,212.12 and 2,186.14

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Solution

The fourth proportional to 5,472.10, 8,212.12 and 2,186.14 is: 3,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.10 : 8,212.12 = 2,186.14 : x
  2. Step 2: Convert to fraction form
    5,472.10/8,212.12 = 2,186.14/x
  3. Step 3: Cross multiply
    5,472.10x = 8,212.12 × 2,186.14
  4. Step 4: Simplify right side
    5,472.10x = 17,952,844.02
  5. Step 5: Solve for x
    x = 17,952,844.02/5,472.10
  6. Step 6: Final answer
    x = 3,280.80

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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.