Home / 5,151.85-7,107.27-3,472.64

Finding the Fourth Proportional to 5,151.85, 7,107.27 and 3,472.64

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Solution

The fourth proportional to 5,151.85, 7,107.27 and 3,472.64 is: 4,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.85 : 7,107.27 = 3,472.64 : x
  2. Step 2: Convert to fraction form
    5,151.85/7,107.27 = 3,472.64/x
  3. Step 3: Cross multiply
    5,151.85x = 7,107.27 × 3,472.64
  4. Step 4: Simplify right side
    5,151.85x = 24,680,990.09
  5. Step 5: Solve for x
    x = 24,680,990.09/5,151.85
  6. Step 6: Final answer
    x = 4,790.70

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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.