Home / 2,918.41-4,372.75-2,051.17

Finding the Fourth Proportional to 2,918.41, 4,372.75 and 2,051.17

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Solution

The fourth proportional to 2,918.41, 4,372.75 and 2,051.17 is: 3,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.41 : 4,372.75 = 2,051.17 : x
  2. Step 2: Convert to fraction form
    2,918.41/4,372.75 = 2,051.17/x
  3. Step 3: Cross multiply
    2,918.41x = 4,372.75 × 2,051.17
  4. Step 4: Simplify right side
    2,918.41x = 8,969,253.62
  5. Step 5: Solve for x
    x = 8,969,253.62/2,918.41
  6. Step 6: Final answer
    x = 3,073.34

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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.