Home / 5,622.57-7,761.40-3,386.36

Finding the Fourth Proportional to 5,622.57, 7,761.40 and 3,386.36

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Solution

The fourth proportional to 5,622.57, 7,761.40 and 3,386.36 is: 4,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.57 : 7,761.40 = 3,386.36 : x
  2. Step 2: Convert to fraction form
    5,622.57/7,761.40 = 3,386.36/x
  3. Step 3: Cross multiply
    5,622.57x = 7,761.40 × 3,386.36
  4. Step 4: Simplify right side
    5,622.57x = 26,282,905.44
  5. Step 5: Solve for x
    x = 26,282,905.44/5,622.57
  6. Step 6: Final answer
    x = 4,674.54

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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.