Home / 5,896.73-8,140.85-3,909.97

Finding the Fourth Proportional to 5,896.73, 8,140.85 and 3,909.97

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Solution

The fourth proportional to 5,896.73, 8,140.85 and 3,909.97 is: 5,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,896.73 : 8,140.85 = 3,909.97 : x
  2. Step 2: Convert to fraction form
    5,896.73/8,140.85 = 3,909.97/x
  3. Step 3: Cross multiply
    5,896.73x = 8,140.85 × 3,909.97
  4. Step 4: Simplify right side
    5,896.73x = 31,830,484.56
  5. Step 5: Solve for x
    x = 31,830,484.56/5,896.73
  6. Step 6: Final answer
    x = 5,397.99

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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.