Home / 4,926.96-6,799.21-2,688.80

Finding the Fourth Proportional to 4,926.96, 6,799.21 and 2,688.80

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Solution

The fourth proportional to 4,926.96, 6,799.21 and 2,688.80 is: 3,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.96 : 6,799.21 = 2,688.80 : x
  2. Step 2: Convert to fraction form
    4,926.96/6,799.21 = 2,688.80/x
  3. Step 3: Cross multiply
    4,926.96x = 6,799.21 × 2,688.80
  4. Step 4: Simplify right side
    4,926.96x = 18,281,675.13
  5. Step 5: Solve for x
    x = 18,281,675.13/4,926.96
  6. Step 6: Final answer
    x = 3,710.54

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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.