Home / 1,799.46-2,700.36-704.70

Finding the Fourth Proportional to 1,799.46, 2,700.36 and 704.70

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Solution

The fourth proportional to 1,799.46, 2,700.36 and 704.70 is: 1,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.46 : 2,700.36 = 704.70 : x
  2. Step 2: Convert to fraction form
    1,799.46/2,700.36 = 704.70/x
  3. Step 3: Cross multiply
    1,799.46x = 2,700.36 × 704.70
  4. Step 4: Simplify right side
    1,799.46x = 1,902,943.69
  5. Step 5: Solve for x
    x = 1,902,943.69/1,799.46
  6. Step 6: Final answer
    x = 1,057.51

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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.