Home / 3,528.18-5,291.03-1,447.58

Finding the Fourth Proportional to 3,528.18, 5,291.03 and 1,447.58

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Solution

The fourth proportional to 3,528.18, 5,291.03 and 1,447.58 is: 2,170.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.18 : 5,291.03 = 1,447.58 : x
  2. Step 2: Convert to fraction form
    3,528.18/5,291.03 = 1,447.58/x
  3. Step 3: Cross multiply
    3,528.18x = 5,291.03 × 1,447.58
  4. Step 4: Simplify right side
    3,528.18x = 7,659,206.05
  5. Step 5: Solve for x
    x = 7,659,206.05/3,528.18
  6. Step 6: Final answer
    x = 2,170.87

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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.