Home / 3,666.30-5,499.40-892.97

Finding the Fourth Proportional to 3,666.30, 5,499.40 and 892.97

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Solution

The fourth proportional to 3,666.30, 5,499.40 and 892.97 is: 1,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.30 : 5,499.40 = 892.97 : x
  2. Step 2: Convert to fraction form
    3,666.30/5,499.40 = 892.97/x
  3. Step 3: Cross multiply
    3,666.30x = 5,499.40 × 892.97
  4. Step 4: Simplify right side
    3,666.30x = 4,910,810.73
  5. Step 5: Solve for x
    x = 4,910,810.73/3,666.30
  6. Step 6: Final answer
    x = 1,339.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.