Home / 5,711.11-7,880.83-3,192.89

Finding the Fourth Proportional to 5,711.11, 7,880.83 and 3,192.89

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Solution

The fourth proportional to 5,711.11, 7,880.83 and 3,192.89 is: 4,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.11 : 7,880.83 = 3,192.89 : x
  2. Step 2: Convert to fraction form
    5,711.11/7,880.83 = 3,192.89/x
  3. Step 3: Cross multiply
    5,711.11x = 7,880.83 × 3,192.89
  4. Step 4: Simplify right side
    5,711.11x = 25,162,575.91
  5. Step 5: Solve for x
    x = 25,162,575.91/5,711.11
  6. Step 6: Final answer
    x = 4,405.90

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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.