Home / 3,415.10-5,118.08-1,830.56

Finding the Fourth Proportional to 3,415.10, 5,118.08 and 1,830.56

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Solution

The fourth proportional to 3,415.10, 5,118.08 and 1,830.56 is: 2,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.10 : 5,118.08 = 1,830.56 : x
  2. Step 2: Convert to fraction form
    3,415.10/5,118.08 = 1,830.56/x
  3. Step 3: Cross multiply
    3,415.10x = 5,118.08 × 1,830.56
  4. Step 4: Simplify right side
    3,415.10x = 9,368,952.52
  5. Step 5: Solve for x
    x = 9,368,952.52/3,415.10
  6. Step 6: Final answer
    x = 2,743.39

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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.