Home / 2,973.53-4,449.75-2,191.68

Finding the Fourth Proportional to 2,973.53, 4,449.75 and 2,191.68

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Solution

The fourth proportional to 2,973.53, 4,449.75 and 2,191.68 is: 3,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.53 : 4,449.75 = 2,191.68 : x
  2. Step 2: Convert to fraction form
    2,973.53/4,449.75 = 2,191.68/x
  3. Step 3: Cross multiply
    2,973.53x = 4,449.75 × 2,191.68
  4. Step 4: Simplify right side
    2,973.53x = 9,752,428.08
  5. Step 5: Solve for x
    x = 9,752,428.08/2,973.53
  6. Step 6: Final answer
    x = 3,279.75

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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.