Home / 5,512.37-7,607.21-3,155.27

Finding the Fourth Proportional to 5,512.37, 7,607.21 and 3,155.27

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Solution

The fourth proportional to 5,512.37, 7,607.21 and 3,155.27 is: 4,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,512.37 : 7,607.21 = 3,155.27 : x
  2. Step 2: Convert to fraction form
    5,512.37/7,607.21 = 3,155.27/x
  3. Step 3: Cross multiply
    5,512.37x = 7,607.21 × 3,155.27
  4. Step 4: Simplify right side
    5,512.37x = 24,002,785.72
  5. Step 5: Solve for x
    x = 24,002,785.72/5,512.37
  6. Step 6: Final answer
    x = 4,354.35

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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.