Home / 4,972.80-6,862.37-2,734.65

Finding the Fourth Proportional to 4,972.80, 6,862.37 and 2,734.65

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Solution

The fourth proportional to 4,972.80, 6,862.37 and 2,734.65 is: 3,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.80 : 6,862.37 = 2,734.65 : x
  2. Step 2: Convert to fraction form
    4,972.80/6,862.37 = 2,734.65/x
  3. Step 3: Cross multiply
    4,972.80x = 6,862.37 × 2,734.65
  4. Step 4: Simplify right side
    4,972.80x = 18,766,180.12
  5. Step 5: Solve for x
    x = 18,766,180.12/4,972.80
  6. Step 6: Final answer
    x = 3,773.77

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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.