Home / 4,405.28-6,611.12-3,549.92

Finding the Fourth Proportional to 4,405.28, 6,611.12 and 3,549.92

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Solution

The fourth proportional to 4,405.28, 6,611.12 and 3,549.92 is: 5,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.28 : 6,611.12 = 3,549.92 : x
  2. Step 2: Convert to fraction form
    4,405.28/6,611.12 = 3,549.92/x
  3. Step 3: Cross multiply
    4,405.28x = 6,611.12 × 3,549.92
  4. Step 4: Simplify right side
    4,405.28x = 23,468,947.11
  5. Step 5: Solve for x
    x = 23,468,947.11/4,405.28
  6. Step 6: Final answer
    x = 5,327.46

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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.