Home / 2,932.23-4,397.30-851.70

Finding the Fourth Proportional to 2,932.23, 4,397.30 and 851.70

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Solution

The fourth proportional to 2,932.23, 4,397.30 and 851.70 is: 1,277.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.23 : 4,397.30 = 851.70 : x
  2. Step 2: Convert to fraction form
    2,932.23/4,397.30 = 851.70/x
  3. Step 3: Cross multiply
    2,932.23x = 4,397.30 × 851.70
  4. Step 4: Simplify right side
    2,932.23x = 3,745,175.89
  5. Step 5: Solve for x
    x = 3,745,175.89/2,932.23
  6. Step 6: Final answer
    x = 1,277.24

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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.