Home / 4,099.68-5,652.72-3,311.28

Finding the Fourth Proportional to 4,099.68, 5,652.72 and 3,311.28

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Solution

The fourth proportional to 4,099.68, 5,652.72 and 3,311.28 is: 4,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.68 : 5,652.72 = 3,311.28 : x
  2. Step 2: Convert to fraction form
    4,099.68/5,652.72 = 3,311.28/x
  3. Step 3: Cross multiply
    4,099.68x = 5,652.72 × 3,311.28
  4. Step 4: Simplify right side
    4,099.68x = 18,717,738.68
  5. Step 5: Solve for x
    x = 18,717,738.68/4,099.68
  6. Step 6: Final answer
    x = 4,565.66

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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.