Home / 4,100.50-5,658.78-2,331.46

Finding the Fourth Proportional to 4,100.50, 5,658.78 and 2,331.46

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Solution

The fourth proportional to 4,100.50, 5,658.78 and 2,331.46 is: 3,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.50 : 5,658.78 = 2,331.46 : x
  2. Step 2: Convert to fraction form
    4,100.50/5,658.78 = 2,331.46/x
  3. Step 3: Cross multiply
    4,100.50x = 5,658.78 × 2,331.46
  4. Step 4: Simplify right side
    4,100.50x = 13,193,219.22
  5. Step 5: Solve for x
    x = 13,193,219.22/4,100.50
  6. Step 6: Final answer
    x = 3,217.47

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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.