Home / 3,135.11-4,328.64-2,140.02

Finding the Fourth Proportional to 3,135.11, 4,328.64 and 2,140.02

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Solution

The fourth proportional to 3,135.11, 4,328.64 and 2,140.02 is: 2,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.11 : 4,328.64 = 2,140.02 : x
  2. Step 2: Convert to fraction form
    3,135.11/4,328.64 = 2,140.02/x
  3. Step 3: Cross multiply
    3,135.11x = 4,328.64 × 2,140.02
  4. Step 4: Simplify right side
    3,135.11x = 9,263,376.17
  5. Step 5: Solve for x
    x = 9,263,376.17/3,135.11
  6. Step 6: Final answer
    x = 2,954.73

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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.