Home / 3,230.08-4,457.60-1,832.80

Finding the Fourth Proportional to 3,230.08, 4,457.60 and 1,832.80

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Solution

The fourth proportional to 3,230.08, 4,457.60 and 1,832.80 is: 2,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.08 : 4,457.60 = 1,832.80 : x
  2. Step 2: Convert to fraction form
    3,230.08/4,457.60 = 1,832.80/x
  3. Step 3: Cross multiply
    3,230.08x = 4,457.60 × 1,832.80
  4. Step 4: Simplify right side
    3,230.08x = 8,169,889.28
  5. Step 5: Solve for x
    x = 8,169,889.28/3,230.08
  6. Step 6: Final answer
    x = 2,529.31

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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.