Home / 5,918.29-8,167.49-3,400.36

Finding the Fourth Proportional to 5,918.29, 8,167.49 and 3,400.36

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Solution

The fourth proportional to 5,918.29, 8,167.49 and 3,400.36 is: 4,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.29 : 8,167.49 = 3,400.36 : x
  2. Step 2: Convert to fraction form
    5,918.29/8,167.49 = 3,400.36/x
  3. Step 3: Cross multiply
    5,918.29x = 8,167.49 × 3,400.36
  4. Step 4: Simplify right side
    5,918.29x = 27,772,406.30
  5. Step 5: Solve for x
    x = 27,772,406.30/5,918.29
  6. Step 6: Final answer
    x = 4,692.64

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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.