Home / 3,158.50-4,735.04-1,770.70

Finding the Fourth Proportional to 3,158.50, 4,735.04 and 1,770.70

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Solution

The fourth proportional to 3,158.50, 4,735.04 and 1,770.70 is: 2,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.50 : 4,735.04 = 1,770.70 : x
  2. Step 2: Convert to fraction form
    3,158.50/4,735.04 = 1,770.70/x
  3. Step 3: Cross multiply
    3,158.50x = 4,735.04 × 1,770.70
  4. Step 4: Simplify right side
    3,158.50x = 8,384,302.80
  5. Step 5: Solve for x
    x = 8,384,302.80/3,158.50
  6. Step 6: Final answer
    x = 2,654.52

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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.