Home / 2,639.12-3,641.83-1,460.13

Finding the Fourth Proportional to 2,639.12, 3,641.83 and 1,460.13

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Solution

The fourth proportional to 2,639.12, 3,641.83 and 1,460.13 is: 2,014.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.12 : 3,641.83 = 1,460.13 : x
  2. Step 2: Convert to fraction form
    2,639.12/3,641.83 = 1,460.13/x
  3. Step 3: Cross multiply
    2,639.12x = 3,641.83 × 1,460.13
  4. Step 4: Simplify right side
    2,639.12x = 5,317,527.93
  5. Step 5: Solve for x
    x = 5,317,527.93/2,639.12
  6. Step 6: Final answer
    x = 2,014.89

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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.