Home / 5,416.44-8,130.09-3,655.86

Finding the Fourth Proportional to 5,416.44, 8,130.09 and 3,655.86

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Solution

The fourth proportional to 5,416.44, 8,130.09 and 3,655.86 is: 5,487.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.44 : 8,130.09 = 3,655.86 : x
  2. Step 2: Convert to fraction form
    5,416.44/8,130.09 = 3,655.86/x
  3. Step 3: Cross multiply
    5,416.44x = 8,130.09 × 3,655.86
  4. Step 4: Simplify right side
    5,416.44x = 29,722,470.83
  5. Step 5: Solve for x
    x = 29,722,470.83/5,416.44
  6. Step 6: Final answer
    x = 5,487.46

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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.