Home / 5,549.60-8,328.36-2,628.56

Finding the Fourth Proportional to 5,549.60, 8,328.36 and 2,628.56

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Solution

The fourth proportional to 5,549.60, 8,328.36 and 2,628.56 is: 3,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.60 : 8,328.36 = 2,628.56 : x
  2. Step 2: Convert to fraction form
    5,549.60/8,328.36 = 2,628.56/x
  3. Step 3: Cross multiply
    5,549.60x = 8,328.36 × 2,628.56
  4. Step 4: Simplify right side
    5,549.60x = 21,891,593.96
  5. Step 5: Solve for x
    x = 21,891,593.96/5,549.60
  6. Step 6: Final answer
    x = 3,944.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.