Home / 3,790.23-5,230.57-2,197.00

Finding the Fourth Proportional to 3,790.23, 5,230.57 and 2,197.00

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Solution

The fourth proportional to 3,790.23, 5,230.57 and 2,197.00 is: 3,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.23 : 5,230.57 = 2,197.00 : x
  2. Step 2: Convert to fraction form
    3,790.23/5,230.57 = 2,197.00/x
  3. Step 3: Cross multiply
    3,790.23x = 5,230.57 × 2,197.00
  4. Step 4: Simplify right side
    3,790.23x = 11,491,541.60
  5. Step 5: Solve for x
    x = 11,491,541.60/3,790.23
  6. Step 6: Final answer
    x = 3,031.88

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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.