Home / 7,272.43-10,035.91-4,085.73

Finding the Fourth Proportional to 7,272.43, 10,035.91 and 4,085.73

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Solution

The fourth proportional to 7,272.43, 10,035.91 and 4,085.73 is: 5,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.43 : 10,035.91 = 4,085.73 : x
  2. Step 2: Convert to fraction form
    7,272.43/10,035.91 = 4,085.73/x
  3. Step 3: Cross multiply
    7,272.43x = 10,035.91 × 4,085.73
  4. Step 4: Simplify right side
    7,272.43x = 41,004,023.67
  5. Step 5: Solve for x
    x = 41,004,023.67/7,272.43
  6. Step 6: Final answer
    x = 5,638.29

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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.