Home / 5,006.72-6,909.79-2,882.33

Finding the Fourth Proportional to 5,006.72, 6,909.79 and 2,882.33

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Solution

The fourth proportional to 5,006.72, 6,909.79 and 2,882.33 is: 3,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.72 : 6,909.79 = 2,882.33 : x
  2. Step 2: Convert to fraction form
    5,006.72/6,909.79 = 2,882.33/x
  3. Step 3: Cross multiply
    5,006.72x = 6,909.79 × 2,882.33
  4. Step 4: Simplify right side
    5,006.72x = 19,916,295.01
  5. Step 5: Solve for x
    x = 19,916,295.01/5,006.72
  6. Step 6: Final answer
    x = 3,977.91

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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.