Home / 6,742.85-10,114.99-2,586.38

Finding the Fourth Proportional to 6,742.85, 10,114.99 and 2,586.38

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Solution

The fourth proportional to 6,742.85, 10,114.99 and 2,586.38 is: 3,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.85 : 10,114.99 = 2,586.38 : x
  2. Step 2: Convert to fraction form
    6,742.85/10,114.99 = 2,586.38/x
  3. Step 3: Cross multiply
    6,742.85x = 10,114.99 × 2,586.38
  4. Step 4: Simplify right side
    6,742.85x = 26,161,150.80
  5. Step 5: Solve for x
    x = 26,161,150.80/6,742.85
  6. Step 6: Final answer
    x = 3,879.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.