Home / 3,348.30-4,620.17-1,855.89

Finding the Fourth Proportional to 3,348.30, 4,620.17 and 1,855.89

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Solution

The fourth proportional to 3,348.30, 4,620.17 and 1,855.89 is: 2,560.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.30 : 4,620.17 = 1,855.89 : x
  2. Step 2: Convert to fraction form
    3,348.30/4,620.17 = 1,855.89/x
  3. Step 3: Cross multiply
    3,348.30x = 4,620.17 × 1,855.89
  4. Step 4: Simplify right side
    3,348.30x = 8,574,518.02
  5. Step 5: Solve for x
    x = 8,574,518.02/3,348.30
  6. Step 6: Final answer
    x = 2,560.86

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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.