Home / 5,412.45-7,469.28-3,054.14

Finding the Fourth Proportional to 5,412.45, 7,469.28 and 3,054.14

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Solution

The fourth proportional to 5,412.45, 7,469.28 and 3,054.14 is: 4,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.45 : 7,469.28 = 3,054.14 : x
  2. Step 2: Convert to fraction form
    5,412.45/7,469.28 = 3,054.14/x
  3. Step 3: Cross multiply
    5,412.45x = 7,469.28 × 3,054.14
  4. Step 4: Simplify right side
    5,412.45x = 22,812,189.47
  5. Step 5: Solve for x
    x = 22,812,189.47/5,412.45
  6. Step 6: Final answer
    x = 4,214.76

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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.