Home / 4,992.50-7,488.79-2,387.54

Finding the Fourth Proportional to 4,992.50, 7,488.79 and 2,387.54

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Solution

The fourth proportional to 4,992.50, 7,488.79 and 2,387.54 is: 3,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.50 : 7,488.79 = 2,387.54 : x
  2. Step 2: Convert to fraction form
    4,992.50/7,488.79 = 2,387.54/x
  3. Step 3: Cross multiply
    4,992.50x = 7,488.79 × 2,387.54
  4. Step 4: Simplify right side
    4,992.50x = 17,879,798.43
  5. Step 5: Solve for x
    x = 17,879,798.43/4,992.50
  6. Step 6: Final answer
    x = 3,581.33

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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.