Home / 4,928.68-6,801.55-2,690.52

Finding the Fourth Proportional to 4,928.68, 6,801.55 and 2,690.52

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Solution

The fourth proportional to 4,928.68, 6,801.55 and 2,690.52 is: 3,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.68 : 6,801.55 = 2,690.52 : x
  2. Step 2: Convert to fraction form
    4,928.68/6,801.55 = 2,690.52/x
  3. Step 3: Cross multiply
    4,928.68x = 6,801.55 × 2,690.52
  4. Step 4: Simplify right side
    4,928.68x = 18,299,706.31
  5. Step 5: Solve for x
    x = 18,299,706.31/4,928.68
  6. Step 6: Final answer
    x = 3,712.90

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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.