Home / 7,428.92-10,252.17-4,072.03

Finding the Fourth Proportional to 7,428.92, 10,252.17 and 4,072.03

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Solution

The fourth proportional to 7,428.92, 10,252.17 and 4,072.03 is: 5,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.92 : 10,252.17 = 4,072.03 : x
  2. Step 2: Convert to fraction form
    7,428.92/10,252.17 = 4,072.03/x
  3. Step 3: Cross multiply
    7,428.92x = 10,252.17 × 4,072.03
  4. Step 4: Simplify right side
    7,428.92x = 41,747,118.17
  5. Step 5: Solve for x
    x = 41,747,118.17/7,428.92
  6. Step 6: Final answer
    x = 5,619.54

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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.