Home / 7,066.31-9,752.33-3,922.70

Finding the Fourth Proportional to 7,066.31, 9,752.33 and 3,922.70

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Solution

The fourth proportional to 7,066.31, 9,752.33 and 3,922.70 is: 5,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,066.31 : 9,752.33 = 3,922.70 : x
  2. Step 2: Convert to fraction form
    7,066.31/9,752.33 = 3,922.70/x
  3. Step 3: Cross multiply
    7,066.31x = 9,752.33 × 3,922.70
  4. Step 4: Simplify right side
    7,066.31x = 38,255,425.94
  5. Step 5: Solve for x
    x = 38,255,425.94/7,066.31
  6. Step 6: Final answer
    x = 5,413.78

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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.