Home / 3,415.64-4,712.31-2,237.36

Finding the Fourth Proportional to 3,415.64, 4,712.31 and 2,237.36

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Solution

The fourth proportional to 3,415.64, 4,712.31 and 2,237.36 is: 3,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.64 : 4,712.31 = 2,237.36 : x
  2. Step 2: Convert to fraction form
    3,415.64/4,712.31 = 2,237.36/x
  3. Step 3: Cross multiply
    3,415.64x = 4,712.31 × 2,237.36
  4. Step 4: Simplify right side
    3,415.64x = 10,543,110.34
  5. Step 5: Solve for x
    x = 10,543,110.34/3,415.64
  6. Step 6: Final answer
    x = 3,086.72

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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.