Home / 4,472.96-6,170.28-2,679.62

Finding the Fourth Proportional to 4,472.96, 6,170.28 and 2,679.62

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Solution

The fourth proportional to 4,472.96, 6,170.28 and 2,679.62 is: 3,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.96 : 6,170.28 = 2,679.62 : x
  2. Step 2: Convert to fraction form
    4,472.96/6,170.28 = 2,679.62/x
  3. Step 3: Cross multiply
    4,472.96x = 6,170.28 × 2,679.62
  4. Step 4: Simplify right side
    4,472.96x = 16,533,964.79
  5. Step 5: Solve for x
    x = 16,533,964.79/4,472.96
  6. Step 6: Final answer
    x = 3,696.43

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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.