Home / 5,603.38-7,732.66-3,119.38

Finding the Fourth Proportional to 5,603.38, 7,732.66 and 3,119.38

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Solution

The fourth proportional to 5,603.38, 7,732.66 and 3,119.38 is: 4,304.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.38 : 7,732.66 = 3,119.38 : x
  2. Step 2: Convert to fraction form
    5,603.38/7,732.66 = 3,119.38/x
  3. Step 3: Cross multiply
    5,603.38x = 7,732.66 × 3,119.38
  4. Step 4: Simplify right side
    5,603.38x = 24,121,104.95
  5. Step 5: Solve for x
    x = 24,121,104.95/5,603.38
  6. Step 6: Final answer
    x = 4,304.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.