Home / 3,170.61-4,372.86-2,423.39

Finding the Fourth Proportional to 3,170.61, 4,372.86 and 2,423.39

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Solution

The fourth proportional to 3,170.61, 4,372.86 and 2,423.39 is: 3,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.61 : 4,372.86 = 2,423.39 : x
  2. Step 2: Convert to fraction form
    3,170.61/4,372.86 = 2,423.39/x
  3. Step 3: Cross multiply
    3,170.61x = 4,372.86 × 2,423.39
  4. Step 4: Simplify right side
    3,170.61x = 10,597,123.33
  5. Step 5: Solve for x
    x = 10,597,123.33/3,170.61
  6. Step 6: Final answer
    x = 3,342.30

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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.