Home / 5,468.40-8,197.20-2,177.10

Finding the Fourth Proportional to 5,468.40, 8,197.20 and 2,177.10

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Solution

The fourth proportional to 5,468.40, 8,197.20 and 2,177.10 is: 3,263.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.40 : 8,197.20 = 2,177.10 : x
  2. Step 2: Convert to fraction form
    5,468.40/8,197.20 = 2,177.10/x
  3. Step 3: Cross multiply
    5,468.40x = 8,197.20 × 2,177.10
  4. Step 4: Simplify right side
    5,468.40x = 17,846,124.12
  5. Step 5: Solve for x
    x = 17,846,124.12/5,468.40
  6. Step 6: Final answer
    x = 3,263.50

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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.