Home / 4,993.10-6,890.50-2,755

Finding the Fourth Proportional to 4,993.10, 6,890.50 and 2,755

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Solution

The fourth proportional to 4,993.10, 6,890.50 and 2,755 is: 3,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.10 : 6,890.50 = 2,755 : x
  2. Step 2: Convert to fraction form
    4,993.10/6,890.50 = 2,755/x
  3. Step 3: Cross multiply
    4,993.10x = 6,890.50 × 2,755
  4. Step 4: Simplify right side
    4,993.10x = 18,983,327.50
  5. Step 5: Solve for x
    x = 18,983,327.50/4,993.10
  6. Step 6: Final answer
    x = 3,801.91

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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.