Home / 7,081.41-9,769.91-4,391.66

Finding the Fourth Proportional to 7,081.41, 9,769.91 and 4,391.66

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Solution

The fourth proportional to 7,081.41, 9,769.91 and 4,391.66 is: 6,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.41 : 9,769.91 = 4,391.66 : x
  2. Step 2: Convert to fraction form
    7,081.41/9,769.91 = 4,391.66/x
  3. Step 3: Cross multiply
    7,081.41x = 9,769.91 × 4,391.66
  4. Step 4: Simplify right side
    7,081.41x = 42,906,122.95
  5. Step 5: Solve for x
    x = 42,906,122.95/7,081.41
  6. Step 6: Final answer
    x = 6,058.98

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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.