Home / 5,810.22-8,018.26-3,157.80

Finding the Fourth Proportional to 5,810.22, 8,018.26 and 3,157.80

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Solution

The fourth proportional to 5,810.22, 8,018.26 and 3,157.80 is: 4,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.22 : 8,018.26 = 3,157.80 : x
  2. Step 2: Convert to fraction form
    5,810.22/8,018.26 = 3,157.80/x
  3. Step 3: Cross multiply
    5,810.22x = 8,018.26 × 3,157.80
  4. Step 4: Simplify right side
    5,810.22x = 25,320,061.43
  5. Step 5: Solve for x
    x = 25,320,061.43/5,810.22
  6. Step 6: Final answer
    x = 4,357.85

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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.