Home / 6,145.30-8,481.23-3,493.18

Finding the Fourth Proportional to 6,145.30, 8,481.23 and 3,493.18

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Solution

The fourth proportional to 6,145.30, 8,481.23 and 3,493.18 is: 4,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.30 : 8,481.23 = 3,493.18 : x
  2. Step 2: Convert to fraction form
    6,145.30/8,481.23 = 3,493.18/x
  3. Step 3: Cross multiply
    6,145.30x = 8,481.23 × 3,493.18
  4. Step 4: Simplify right side
    6,145.30x = 29,626,463.01
  5. Step 5: Solve for x
    x = 29,626,463.01/6,145.30
  6. Step 6: Final answer
    x = 4,821.00

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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.