Home / 7,084.26-9,776.07-3,897.54

Finding the Fourth Proportional to 7,084.26, 9,776.07 and 3,897.54

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Solution

The fourth proportional to 7,084.26, 9,776.07 and 3,897.54 is: 5,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.26 : 9,776.07 = 3,897.54 : x
  2. Step 2: Convert to fraction form
    7,084.26/9,776.07 = 3,897.54/x
  3. Step 3: Cross multiply
    7,084.26x = 9,776.07 × 3,897.54
  4. Step 4: Simplify right side
    7,084.26x = 38,102,623.87
  5. Step 5: Solve for x
    x = 38,102,623.87/7,084.26
  6. Step 6: Final answer
    x = 5,378.49

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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.