Home / 2,491.96-3,742.80-2,030.08

Finding the Fourth Proportional to 2,491.96, 3,742.80 and 2,030.08

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Solution

The fourth proportional to 2,491.96, 3,742.80 and 2,030.08 is: 3,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.96 : 3,742.80 = 2,030.08 : x
  2. Step 2: Convert to fraction form
    2,491.96/3,742.80 = 2,030.08/x
  3. Step 3: Cross multiply
    2,491.96x = 3,742.80 × 2,030.08
  4. Step 4: Simplify right side
    2,491.96x = 7,598,183.42
  5. Step 5: Solve for x
    x = 7,598,183.42/2,491.96
  6. Step 6: Final answer
    x = 3,049.08

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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.