Home / 7,272.72-10,035.26-4,085.41

Finding the Fourth Proportional to 7,272.72, 10,035.26 and 4,085.41

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Solution

The fourth proportional to 7,272.72, 10,035.26 and 4,085.41 is: 5,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.72 : 10,035.26 = 4,085.41 : x
  2. Step 2: Convert to fraction form
    7,272.72/10,035.26 = 4,085.41/x
  3. Step 3: Cross multiply
    7,272.72x = 10,035.26 × 4,085.41
  4. Step 4: Simplify right side
    7,272.72x = 40,998,151.56
  5. Step 5: Solve for x
    x = 40,998,151.56/7,272.72
  6. Step 6: Final answer
    x = 5,637.25

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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.