Home / 5,423.32-7,481.29-3,299.50

Finding the Fourth Proportional to 5,423.32, 7,481.29 and 3,299.50

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Solution

The fourth proportional to 5,423.32, 7,481.29 and 3,299.50 is: 4,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.32 : 7,481.29 = 3,299.50 : x
  2. Step 2: Convert to fraction form
    5,423.32/7,481.29 = 3,299.50/x
  3. Step 3: Cross multiply
    5,423.32x = 7,481.29 × 3,299.50
  4. Step 4: Simplify right side
    5,423.32x = 24,684,516.36
  5. Step 5: Solve for x
    x = 24,684,516.36/5,423.32
  6. Step 6: Final answer
    x = 4,551.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.