Home / 2,520.25-3,779.62-1,059.08

Finding the Fourth Proportional to 2,520.25, 3,779.62 and 1,059.08

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Solution

The fourth proportional to 2,520.25, 3,779.62 and 1,059.08 is: 1,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520.25 : 3,779.62 = 1,059.08 : x
  2. Step 2: Convert to fraction form
    2,520.25/3,779.62 = 1,059.08/x
  3. Step 3: Cross multiply
    2,520.25x = 3,779.62 × 1,059.08
  4. Step 4: Simplify right side
    2,520.25x = 4,002,919.95
  5. Step 5: Solve for x
    x = 4,002,919.95/2,520.25
  6. Step 6: Final answer
    x = 1,588.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.