Home / 6,341.73-8,751.36-3,509.09

Finding the Fourth Proportional to 6,341.73, 8,751.36 and 3,509.09

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Solution

The fourth proportional to 6,341.73, 8,751.36 and 3,509.09 is: 4,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.73 : 8,751.36 = 3,509.09 : x
  2. Step 2: Convert to fraction form
    6,341.73/8,751.36 = 3,509.09/x
  3. Step 3: Cross multiply
    6,341.73x = 8,751.36 × 3,509.09
  4. Step 4: Simplify right side
    6,341.73x = 30,709,309.86
  5. Step 5: Solve for x
    x = 30,709,309.86/6,341.73
  6. Step 6: Final answer
    x = 4,842.42

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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.