Home / 7,374.28-11,061.02-2,990.56

Finding the Fourth Proportional to 7,374.28, 11,061.02 and 2,990.56

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Solution

The fourth proportional to 7,374.28, 11,061.02 and 2,990.56 is: 4,485.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.28 : 11,061.02 = 2,990.56 : x
  2. Step 2: Convert to fraction form
    7,374.28/11,061.02 = 2,990.56/x
  3. Step 3: Cross multiply
    7,374.28x = 11,061.02 × 2,990.56
  4. Step 4: Simplify right side
    7,374.28x = 33,078,643.97
  5. Step 5: Solve for x
    x = 33,078,643.97/7,374.28
  6. Step 6: Final answer
    x = 4,485.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.