Home / 5,118.91-7,673.50-2,000.92

Finding the Fourth Proportional to 5,118.91, 7,673.50 and 2,000.92

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Solution

The fourth proportional to 5,118.91, 7,673.50 and 2,000.92 is: 2,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.91 : 7,673.50 = 2,000.92 : x
  2. Step 2: Convert to fraction form
    5,118.91/7,673.50 = 2,000.92/x
  3. Step 3: Cross multiply
    5,118.91x = 7,673.50 × 2,000.92
  4. Step 4: Simplify right side
    5,118.91x = 15,354,021.25
  5. Step 5: Solve for x
    x = 15,354,021.25/5,118.91
  6. Step 6: Final answer
    x = 2,999.47

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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.