Home / 3,348.22-5,020.50-1,398.95

Finding the Fourth Proportional to 3,348.22, 5,020.50 and 1,398.95

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Solution

The fourth proportional to 3,348.22, 5,020.50 and 1,398.95 is: 2,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.22 : 5,020.50 = 1,398.95 : x
  2. Step 2: Convert to fraction form
    3,348.22/5,020.50 = 1,398.95/x
  3. Step 3: Cross multiply
    3,348.22x = 5,020.50 × 1,398.95
  4. Step 4: Simplify right side
    3,348.22x = 7,023,428.48
  5. Step 5: Solve for x
    x = 7,023,428.48/3,348.22
  6. Step 6: Final answer
    x = 2,097.66

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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.