Home / 3,298.43-4,551.82-1,806.32

Finding the Fourth Proportional to 3,298.43, 4,551.82 and 1,806.32

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Solution

The fourth proportional to 3,298.43, 4,551.82 and 1,806.32 is: 2,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.43 : 4,551.82 = 1,806.32 : x
  2. Step 2: Convert to fraction form
    3,298.43/4,551.82 = 1,806.32/x
  3. Step 3: Cross multiply
    3,298.43x = 4,551.82 × 1,806.32
  4. Step 4: Simplify right side
    3,298.43x = 8,222,034.47
  5. Step 5: Solve for x
    x = 8,222,034.47/3,298.43
  6. Step 6: Final answer
    x = 2,492.71

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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.