Home / 3,861.08-5,329.68-2,535.08

Finding the Fourth Proportional to 3,861.08, 5,329.68 and 2,535.08

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Solution

The fourth proportional to 3,861.08, 5,329.68 and 2,535.08 is: 3,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.08 : 5,329.68 = 2,535.08 : x
  2. Step 2: Convert to fraction form
    3,861.08/5,329.68 = 2,535.08/x
  3. Step 3: Cross multiply
    3,861.08x = 5,329.68 × 2,535.08
  4. Step 4: Simplify right side
    3,861.08x = 13,511,165.17
  5. Step 5: Solve for x
    x = 13,511,165.17/3,861.08
  6. Step 6: Final answer
    x = 3,499.32

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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.