Home / 2,028.40-3,042.30-567.70

Finding the Fourth Proportional to 2,028.40, 3,042.30 and 567.70

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Solution

The fourth proportional to 2,028.40, 3,042.30 and 567.70 is: 851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.40 : 3,042.30 = 567.70 : x
  2. Step 2: Convert to fraction form
    2,028.40/3,042.30 = 567.70/x
  3. Step 3: Cross multiply
    2,028.40x = 3,042.30 × 567.70
  4. Step 4: Simplify right side
    2,028.40x = 1,727,113.71
  5. Step 5: Solve for x
    x = 1,727,113.71/2,028.40
  6. Step 6: Final answer
    x = 851.47

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