Home / 3,414.36-5,123.15-1,770.02

Finding the Fourth Proportional to 3,414.36, 5,123.15 and 1,770.02

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Solution

The fourth proportional to 3,414.36, 5,123.15 and 1,770.02 is: 2,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.36 : 5,123.15 = 1,770.02 : x
  2. Step 2: Convert to fraction form
    3,414.36/5,123.15 = 1,770.02/x
  3. Step 3: Cross multiply
    3,414.36x = 5,123.15 × 1,770.02
  4. Step 4: Simplify right side
    3,414.36x = 9,068,077.96
  5. Step 5: Solve for x
    x = 9,068,077.96/3,414.36
  6. Step 6: Final answer
    x = 2,655.86

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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.