Home / 5,072.39-7,612.51-3,316.92

Finding the Fourth Proportional to 5,072.39, 7,612.51 and 3,316.92

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Solution

The fourth proportional to 5,072.39, 7,612.51 and 3,316.92 is: 4,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.39 : 7,612.51 = 3,316.92 : x
  2. Step 2: Convert to fraction form
    5,072.39/7,612.51 = 3,316.92/x
  3. Step 3: Cross multiply
    5,072.39x = 7,612.51 × 3,316.92
  4. Step 4: Simplify right side
    5,072.39x = 25,250,046.72
  5. Step 5: Solve for x
    x = 25,250,046.72/5,072.39
  6. Step 6: Final answer
    x = 4,977.94

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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.