Home / 5,433.60-8,150.40-5,329.92

Finding the Fourth Proportional to 5,433.60, 8,150.40 and 5,329.92

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Solution

The fourth proportional to 5,433.60, 8,150.40 and 5,329.92 is: 7,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.60 : 8,150.40 = 5,329.92 : x
  2. Step 2: Convert to fraction form
    5,433.60/8,150.40 = 5,329.92/x
  3. Step 3: Cross multiply
    5,433.60x = 8,150.40 × 5,329.92
  4. Step 4: Simplify right side
    5,433.60x = 43,440,979.97
  5. Step 5: Solve for x
    x = 43,440,979.97/5,433.60
  6. Step 6: Final answer
    x = 7,994.88

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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.