Home / 7,170.22-9,893.83-4,025.80

Finding the Fourth Proportional to 7,170.22, 9,893.83 and 4,025.80

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Solution

The fourth proportional to 7,170.22, 9,893.83 and 4,025.80 is: 5,555.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.22 : 9,893.83 = 4,025.80 : x
  2. Step 2: Convert to fraction form
    7,170.22/9,893.83 = 4,025.80/x
  3. Step 3: Cross multiply
    7,170.22x = 9,893.83 × 4,025.80
  4. Step 4: Simplify right side
    7,170.22x = 39,830,511.22
  5. Step 5: Solve for x
    x = 39,830,511.22/7,170.22
  6. Step 6: Final answer
    x = 5,555.00

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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.