Home / 5,918.18-8,166.89-3,265.56

Finding the Fourth Proportional to 5,918.18, 8,166.89 and 3,265.56

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Solution

The fourth proportional to 5,918.18, 8,166.89 and 3,265.56 is: 4,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.18 : 8,166.89 = 3,265.56 : x
  2. Step 2: Convert to fraction form
    5,918.18/8,166.89 = 3,265.56/x
  3. Step 3: Cross multiply
    5,918.18x = 8,166.89 × 3,265.56
  4. Step 4: Simplify right side
    5,918.18x = 26,669,477.47
  5. Step 5: Solve for x
    x = 26,669,477.47/5,918.18
  6. Step 6: Final answer
    x = 4,506.37

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1.5x scale

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.