Home / 7,325.72-10,981.85-2,644.63

Finding the Fourth Proportional to 7,325.72, 10,981.85 and 2,644.63

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Solution

The fourth proportional to 7,325.72, 10,981.85 and 2,644.63 is: 3,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.72 : 10,981.85 = 2,644.63 : x
  2. Step 2: Convert to fraction form
    7,325.72/10,981.85 = 2,644.63/x
  3. Step 3: Cross multiply
    7,325.72x = 10,981.85 × 2,644.63
  4. Step 4: Simplify right side
    7,325.72x = 29,042,889.29
  5. Step 5: Solve for x
    x = 29,042,889.29/7,325.72
  6. Step 6: Final answer
    x = 3,964.51

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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.