Home / 5,468.40-8,197.80-4,885.20

Finding the Fourth Proportional to 5,468.40, 8,197.80 and 4,885.20

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Solution

The fourth proportional to 5,468.40, 8,197.80 and 4,885.20 is: 7,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.40 : 8,197.80 = 4,885.20 : x
  2. Step 2: Convert to fraction form
    5,468.40/8,197.80 = 4,885.20/x
  3. Step 3: Cross multiply
    5,468.40x = 8,197.80 × 4,885.20
  4. Step 4: Simplify right side
    5,468.40x = 40,047,892.56
  5. Step 5: Solve for x
    x = 40,047,892.56/5,468.40
  6. Step 6: Final answer
    x = 7,323.51

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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.