Home / 2,368.79-3,268.54-1,374.05

Finding the Fourth Proportional to 2,368.79, 3,268.54 and 1,374.05

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Solution

The fourth proportional to 2,368.79, 3,268.54 and 1,374.05 is: 1,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.79 : 3,268.54 = 1,374.05 : x
  2. Step 2: Convert to fraction form
    2,368.79/3,268.54 = 1,374.05/x
  3. Step 3: Cross multiply
    2,368.79x = 3,268.54 × 1,374.05
  4. Step 4: Simplify right side
    2,368.79x = 4,491,140.75
  5. Step 5: Solve for x
    x = 4,491,140.75/2,368.79
  6. Step 6: Final answer
    x = 1,895.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.