Home / 3,442.96-5,165.40-1,251.60

Finding the Fourth Proportional to 3,442.96, 5,165.40 and 1,251.60

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Solution

The fourth proportional to 3,442.96, 5,165.40 and 1,251.60 is: 1,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.96 : 5,165.40 = 1,251.60 : x
  2. Step 2: Convert to fraction form
    3,442.96/5,165.40 = 1,251.60/x
  3. Step 3: Cross multiply
    3,442.96x = 5,165.40 × 1,251.60
  4. Step 4: Simplify right side
    3,442.96x = 6,465,014.64
  5. Step 5: Solve for x
    x = 6,465,014.64/3,442.96
  6. Step 6: Final answer
    x = 1,877.75

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Why These Related Problems?

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