Home / 5,294.70-7,306.47-3,057.21

Finding the Fourth Proportional to 5,294.70, 7,306.47 and 3,057.21

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Solution

The fourth proportional to 5,294.70, 7,306.47 and 3,057.21 is: 4,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.70 : 7,306.47 = 3,057.21 : x
  2. Step 2: Convert to fraction form
    5,294.70/7,306.47 = 3,057.21/x
  3. Step 3: Cross multiply
    5,294.70x = 7,306.47 × 3,057.21
  4. Step 4: Simplify right side
    5,294.70x = 22,337,413.15
  5. Step 5: Solve for x
    x = 22,337,413.15/5,294.70
  6. Step 6: Final answer
    x = 4,218.83

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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.