Home / 3,243.87-4,478.69-2,496.51

Finding the Fourth Proportional to 3,243.87, 4,478.69 and 2,496.51

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Solution

The fourth proportional to 3,243.87, 4,478.69 and 2,496.51 is: 3,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.87 : 4,478.69 = 2,496.51 : x
  2. Step 2: Convert to fraction form
    3,243.87/4,478.69 = 2,496.51/x
  3. Step 3: Cross multiply
    3,243.87x = 4,478.69 × 2,496.51
  4. Step 4: Simplify right side
    3,243.87x = 11,181,100.61
  5. Step 5: Solve for x
    x = 11,181,100.61/3,243.87
  6. Step 6: Final answer
    x = 3,446.84

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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.