Home / 6,436.84-8,882.46-4,202.92

Finding the Fourth Proportional to 6,436.84, 8,882.46 and 4,202.92

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Solution

The fourth proportional to 6,436.84, 8,882.46 and 4,202.92 is: 5,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.84 : 8,882.46 = 4,202.92 : x
  2. Step 2: Convert to fraction form
    6,436.84/8,882.46 = 4,202.92/x
  3. Step 3: Cross multiply
    6,436.84x = 8,882.46 × 4,202.92
  4. Step 4: Simplify right side
    6,436.84x = 37,332,268.78
  5. Step 5: Solve for x
    x = 37,332,268.78/6,436.84
  6. Step 6: Final answer
    x = 5,799.78

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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.