Home / 5,918.87-8,167.55-3,266.21

Finding the Fourth Proportional to 5,918.87, 8,167.55 and 3,266.21

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Solution

The fourth proportional to 5,918.87, 8,167.55 and 3,266.21 is: 4,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.87 : 8,167.55 = 3,266.21 : x
  2. Step 2: Convert to fraction form
    5,918.87/8,167.55 = 3,266.21/x
  3. Step 3: Cross multiply
    5,918.87x = 8,167.55 × 3,266.21
  4. Step 4: Simplify right side
    5,918.87x = 26,676,876.32
  5. Step 5: Solve for x
    x = 26,676,876.32/5,918.87
  6. Step 6: Final answer
    x = 4,507.09

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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.