Home / 3,298.28-4,947-1,449.04

Finding the Fourth Proportional to 3,298.28, 4,947 and 1,449.04

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Solution

The fourth proportional to 3,298.28, 4,947 and 1,449.04 is: 2,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.28 : 4,947 = 1,449.04 : x
  2. Step 2: Convert to fraction form
    3,298.28/4,947 = 1,449.04/x
  3. Step 3: Cross multiply
    3,298.28x = 4,947 × 1,449.04
  4. Step 4: Simplify right side
    3,298.28x = 7,168,400.88
  5. Step 5: Solve for x
    x = 7,168,400.88/3,298.28
  6. Step 6: Final answer
    x = 2,173.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.