Home / 3,398.00-4,684.33-2,386.64

Finding the Fourth Proportional to 3,398.00, 4,684.33 and 2,386.64

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Solution

The fourth proportional to 3,398.00, 4,684.33 and 2,386.64 is: 3,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.00 : 4,684.33 = 2,386.64 : x
  2. Step 2: Convert to fraction form
    3,398.00/4,684.33 = 2,386.64/x
  3. Step 3: Cross multiply
    3,398.00x = 4,684.33 × 2,386.64
  4. Step 4: Simplify right side
    3,398.00x = 11,179,791.67
  5. Step 5: Solve for x
    x = 11,179,791.67/3,398.00
  6. Step 6: Final answer
    x = 3,290.11

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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.