Home / 4,979.34-7,473.62-2,515.89

Finding the Fourth Proportional to 4,979.34, 7,473.62 and 2,515.89

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Solution

The fourth proportional to 4,979.34, 7,473.62 and 2,515.89 is: 3,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.34 : 7,473.62 = 2,515.89 : x
  2. Step 2: Convert to fraction form
    4,979.34/7,473.62 = 2,515.89/x
  3. Step 3: Cross multiply
    4,979.34x = 7,473.62 × 2,515.89
  4. Step 4: Simplify right side
    4,979.34x = 18,802,755.87
  5. Step 5: Solve for x
    x = 18,802,755.87/4,979.34
  6. Step 6: Final answer
    x = 3,776.16

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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.