Home / 4,925.85-6,797.55-2,687.78

Finding the Fourth Proportional to 4,925.85, 6,797.55 and 2,687.78

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Solution

The fourth proportional to 4,925.85, 6,797.55 and 2,687.78 is: 3,709.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.85 : 6,797.55 = 2,687.78 : x
  2. Step 2: Convert to fraction form
    4,925.85/6,797.55 = 2,687.78/x
  3. Step 3: Cross multiply
    4,925.85x = 6,797.55 × 2,687.78
  4. Step 4: Simplify right side
    4,925.85x = 18,270,346.01
  5. Step 5: Solve for x
    x = 18,270,346.01/4,925.85
  6. Step 6: Final answer
    x = 3,709.08

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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.