Home / 2,132.91-2,943.54-1,424.30

Finding the Fourth Proportional to 2,132.91, 2,943.54 and 1,424.30

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Solution

The fourth proportional to 2,132.91, 2,943.54 and 1,424.30 is: 1,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.91 : 2,943.54 = 1,424.30 : x
  2. Step 2: Convert to fraction form
    2,132.91/2,943.54 = 1,424.30/x
  3. Step 3: Cross multiply
    2,132.91x = 2,943.54 × 1,424.30
  4. Step 4: Simplify right side
    2,132.91x = 4,192,484.02
  5. Step 5: Solve for x
    x = 4,192,484.02/2,132.91
  6. Step 6: Final answer
    x = 1,965.62

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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.