Home / 5,430.25-7,494.91-3,306.48

Finding the Fourth Proportional to 5,430.25, 7,494.91 and 3,306.48

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Solution

The fourth proportional to 5,430.25, 7,494.91 and 3,306.48 is: 4,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.25 : 7,494.91 = 3,306.48 : x
  2. Step 2: Convert to fraction form
    5,430.25/7,494.91 = 3,306.48/x
  3. Step 3: Cross multiply
    5,430.25x = 7,494.91 × 3,306.48
  4. Step 4: Simplify right side
    5,430.25x = 24,781,764.02
  5. Step 5: Solve for x
    x = 24,781,764.02/5,430.25
  6. Step 6: Final answer
    x = 4,563.65

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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.