Home / 1,790.79-2,470.68-1,162.12

Finding the Fourth Proportional to 1,790.79, 2,470.68 and 1,162.12

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Solution

The fourth proportional to 1,790.79, 2,470.68 and 1,162.12 is: 1,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.79 : 2,470.68 = 1,162.12 : x
  2. Step 2: Convert to fraction form
    1,790.79/2,470.68 = 1,162.12/x
  3. Step 3: Cross multiply
    1,790.79x = 2,470.68 × 1,162.12
  4. Step 4: Simplify right side
    1,790.79x = 2,871,226.64
  5. Step 5: Solve for x
    x = 2,871,226.64/1,790.79
  6. Step 6: Final answer
    x = 1,603.33

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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.