Home / 3,658.77-5,047.45-2,331.99

Finding the Fourth Proportional to 3,658.77, 5,047.45 and 2,331.99

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Solution

The fourth proportional to 3,658.77, 5,047.45 and 2,331.99 is: 3,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.77 : 5,047.45 = 2,331.99 : x
  2. Step 2: Convert to fraction form
    3,658.77/5,047.45 = 2,331.99/x
  3. Step 3: Cross multiply
    3,658.77x = 5,047.45 × 2,331.99
  4. Step 4: Simplify right side
    3,658.77x = 11,770,597.10
  5. Step 5: Solve for x
    x = 11,770,597.10/3,658.77
  6. Step 6: Final answer
    x = 3,217.09

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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.