Home / 4,862.61-6,711-2,766.33

Finding the Fourth Proportional to 4,862.61, 6,711 and 2,766.33

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Solution

The fourth proportional to 4,862.61, 6,711 and 2,766.33 is: 3,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.61 : 6,711 = 2,766.33 : x
  2. Step 2: Convert to fraction form
    4,862.61/6,711 = 2,766.33/x
  3. Step 3: Cross multiply
    4,862.61x = 6,711 × 2,766.33
  4. Step 4: Simplify right side
    4,862.61x = 18,564,840.63
  5. Step 5: Solve for x
    x = 18,564,840.63/4,862.61
  6. Step 6: Final answer
    x = 3,817.88

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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.