Home / 3,261.91-4,501.09-1,917.52

Finding the Fourth Proportional to 3,261.91, 4,501.09 and 1,917.52

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Solution

The fourth proportional to 3,261.91, 4,501.09 and 1,917.52 is: 2,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.91 : 4,501.09 = 1,917.52 : x
  2. Step 2: Convert to fraction form
    3,261.91/4,501.09 = 1,917.52/x
  3. Step 3: Cross multiply
    3,261.91x = 4,501.09 × 1,917.52
  4. Step 4: Simplify right side
    3,261.91x = 8,630,930.10
  5. Step 5: Solve for x
    x = 8,630,930.10/3,261.91
  6. Step 6: Final answer
    x = 2,645.97

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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.