Home / 3,309.62-4,567.14-1,817.51

Finding the Fourth Proportional to 3,309.62, 4,567.14 and 1,817.51

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Solution

The fourth proportional to 3,309.62, 4,567.14 and 1,817.51 is: 2,508.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.62 : 4,567.14 = 1,817.51 : x
  2. Step 2: Convert to fraction form
    3,309.62/4,567.14 = 1,817.51/x
  3. Step 3: Cross multiply
    3,309.62x = 4,567.14 × 1,817.51
  4. Step 4: Simplify right side
    3,309.62x = 8,300,799.79
  5. Step 5: Solve for x
    x = 8,300,799.79/3,309.62
  6. Step 6: Final answer
    x = 2,508.09

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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.