Home / 3,518.22-4,855.02-2,174.46

Finding the Fourth Proportional to 3,518.22, 4,855.02 and 2,174.46

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Solution

The fourth proportional to 3,518.22, 4,855.02 and 2,174.46 is: 3,000.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.22 : 4,855.02 = 2,174.46 : x
  2. Step 2: Convert to fraction form
    3,518.22/4,855.02 = 2,174.46/x
  3. Step 3: Cross multiply
    3,518.22x = 4,855.02 × 2,174.46
  4. Step 4: Simplify right side
    3,518.22x = 10,557,046.79
  5. Step 5: Solve for x
    x = 10,557,046.79/3,518.22
  6. Step 6: Final answer
    x = 3,000.68

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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.