Home / 4,515.71-6,769.92-4,151.21

Finding the Fourth Proportional to 4,515.71, 6,769.92 and 4,151.21

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Solution

The fourth proportional to 4,515.71, 6,769.92 and 4,151.21 is: 6,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.71 : 6,769.92 = 4,151.21 : x
  2. Step 2: Convert to fraction form
    4,515.71/6,769.92 = 4,151.21/x
  3. Step 3: Cross multiply
    4,515.71x = 6,769.92 × 4,151.21
  4. Step 4: Simplify right side
    4,515.71x = 28,103,392.10
  5. Step 5: Solve for x
    x = 28,103,392.10/4,515.71
  6. Step 6: Final answer
    x = 6,223.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.