Home / 6,174.06-8,520.40-3,521.86

Finding the Fourth Proportional to 6,174.06, 8,520.40 and 3,521.86

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Solution

The fourth proportional to 6,174.06, 8,520.40 and 3,521.86 is: 4,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,174.06 : 8,520.40 = 3,521.86 : x
  2. Step 2: Convert to fraction form
    6,174.06/8,520.40 = 3,521.86/x
  3. Step 3: Cross multiply
    6,174.06x = 8,520.40 × 3,521.86
  4. Step 4: Simplify right side
    6,174.06x = 30,007,655.94
  5. Step 5: Solve for x
    x = 30,007,655.94/6,174.06
  6. Step 6: Final answer
    x = 4,860.28

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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.