Home / 2,642.28-3,646.52-1,463.48

Finding the Fourth Proportional to 2,642.28, 3,646.52 and 1,463.48

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Solution

The fourth proportional to 2,642.28, 3,646.52 and 1,463.48 is: 2,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.28 : 3,646.52 = 1,463.48 : x
  2. Step 2: Convert to fraction form
    2,642.28/3,646.52 = 1,463.48/x
  3. Step 3: Cross multiply
    2,642.28x = 3,646.52 × 1,463.48
  4. Step 4: Simplify right side
    2,642.28x = 5,336,609.09
  5. Step 5: Solve for x
    x = 5,336,609.09/2,642.28
  6. Step 6: Final answer
    x = 2,019.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.