Home / 3,949.44-5,448.51-2,530.59

Finding the Fourth Proportional to 3,949.44, 5,448.51 and 2,530.59

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Solution

The fourth proportional to 3,949.44, 5,448.51 and 2,530.59 is: 3,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.44 : 5,448.51 = 2,530.59 : x
  2. Step 2: Convert to fraction form
    3,949.44/5,448.51 = 2,530.59/x
  3. Step 3: Cross multiply
    3,949.44x = 5,448.51 × 2,530.59
  4. Step 4: Simplify right side
    3,949.44x = 13,787,944.92
  5. Step 5: Solve for x
    x = 13,787,944.92/3,949.44
  6. Step 6: Final answer
    x = 3,491.11

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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.