Home / 3,317.92-4,578.42-2,253.52

Finding the Fourth Proportional to 3,317.92, 4,578.42 and 2,253.52

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Solution

The fourth proportional to 3,317.92, 4,578.42 and 2,253.52 is: 3,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.92 : 4,578.42 = 2,253.52 : x
  2. Step 2: Convert to fraction form
    3,317.92/4,578.42 = 2,253.52/x
  3. Step 3: Cross multiply
    3,317.92x = 4,578.42 × 2,253.52
  4. Step 4: Simplify right side
    3,317.92x = 10,317,561.04
  5. Step 5: Solve for x
    x = 10,317,561.04/3,317.92
  6. Step 6: Final answer
    x = 3,109.65

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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.