Home / 5,253.39-7,880.01-2,133.38

Finding the Fourth Proportional to 5,253.39, 7,880.01 and 2,133.38

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Solution

The fourth proportional to 5,253.39, 7,880.01 and 2,133.38 is: 3,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.39 : 7,880.01 = 2,133.38 : x
  2. Step 2: Convert to fraction form
    5,253.39/7,880.01 = 2,133.38/x
  3. Step 3: Cross multiply
    5,253.39x = 7,880.01 × 2,133.38
  4. Step 4: Simplify right side
    5,253.39x = 16,811,067.43
  5. Step 5: Solve for x
    x = 16,811,067.43/5,253.39
  6. Step 6: Final answer
    x = 3,200.04

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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.