Home / 3,368.45-5,042.40-2,936.45

Finding the Fourth Proportional to 3,368.45, 5,042.40 and 2,936.45

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Solution

The fourth proportional to 3,368.45, 5,042.40 and 2,936.45 is: 4,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.45 : 5,042.40 = 2,936.45 : x
  2. Step 2: Convert to fraction form
    3,368.45/5,042.40 = 2,936.45/x
  3. Step 3: Cross multiply
    3,368.45x = 5,042.40 × 2,936.45
  4. Step 4: Simplify right side
    3,368.45x = 14,806,730.27
  5. Step 5: Solve for x
    x = 14,806,730.27/3,368.45
  6. Step 6: Final answer
    x = 4,395.72

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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.