Home / 4,175.70-6,265.35-2,123.70

Finding the Fourth Proportional to 4,175.70, 6,265.35 and 2,123.70

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Solution

The fourth proportional to 4,175.70, 6,265.35 and 2,123.70 is: 3,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.70 : 6,265.35 = 2,123.70 : x
  2. Step 2: Convert to fraction form
    4,175.70/6,265.35 = 2,123.70/x
  3. Step 3: Cross multiply
    4,175.70x = 6,265.35 × 2,123.70
  4. Step 4: Simplify right side
    4,175.70x = 13,305,723.80
  5. Step 5: Solve for x
    x = 13,305,723.80/4,175.70
  6. Step 6: Final answer
    x = 3,186.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.