Home / 5,412.57-7,469.51-3,054.75

Finding the Fourth Proportional to 5,412.57, 7,469.51 and 3,054.75

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Solution

The fourth proportional to 5,412.57, 7,469.51 and 3,054.75 is: 4,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.57 : 7,469.51 = 3,054.75 : x
  2. Step 2: Convert to fraction form
    5,412.57/7,469.51 = 3,054.75/x
  3. Step 3: Cross multiply
    5,412.57x = 7,469.51 × 3,054.75
  4. Step 4: Simplify right side
    5,412.57x = 22,817,485.67
  5. Step 5: Solve for x
    x = 22,817,485.67/5,412.57
  6. Step 6: Final answer
    x = 4,215.65

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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.