Home / 5,300.79-7,310.94-3,706.92

Finding the Fourth Proportional to 5,300.79, 7,310.94 and 3,706.92

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Solution

The fourth proportional to 5,300.79, 7,310.94 and 3,706.92 is: 5,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.79 : 7,310.94 = 3,706.92 : x
  2. Step 2: Convert to fraction form
    5,300.79/7,310.94 = 3,706.92/x
  3. Step 3: Cross multiply
    5,300.79x = 7,310.94 × 3,706.92
  4. Step 4: Simplify right side
    5,300.79x = 27,101,069.70
  5. Step 5: Solve for x
    x = 27,101,069.70/5,300.79
  6. Step 6: Final answer
    x = 5,112.65

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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.