Home / 5,521.86-7,620.24-3,037.86

Finding the Fourth Proportional to 5,521.86, 7,620.24 and 3,037.86

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Solution

The fourth proportional to 5,521.86, 7,620.24 and 3,037.86 is: 4,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.86 : 7,620.24 = 3,037.86 : x
  2. Step 2: Convert to fraction form
    5,521.86/7,620.24 = 3,037.86/x
  3. Step 3: Cross multiply
    5,521.86x = 7,620.24 × 3,037.86
  4. Step 4: Simplify right side
    5,521.86x = 23,149,222.29
  5. Step 5: Solve for x
    x = 23,149,222.29/5,521.86
  6. Step 6: Final answer
    x = 4,192.29

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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.