Home / 6,525.83-9,789.74-2,142.25

Finding the Fourth Proportional to 6,525.83, 9,789.74 and 2,142.25

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Solution

The fourth proportional to 6,525.83, 9,789.74 and 2,142.25 is: 3,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,525.83 : 9,789.74 = 2,142.25 : x
  2. Step 2: Convert to fraction form
    6,525.83/9,789.74 = 2,142.25/x
  3. Step 3: Cross multiply
    6,525.83x = 9,789.74 × 2,142.25
  4. Step 4: Simplify right side
    6,525.83x = 20,972,070.52
  5. Step 5: Solve for x
    x = 20,972,070.52/6,525.83
  6. Step 6: Final answer
    x = 3,213.70

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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.