Home / 6,102.42-8,418.68-3,580.08

Finding the Fourth Proportional to 6,102.42, 8,418.68 and 3,580.08

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Solution

The fourth proportional to 6,102.42, 8,418.68 and 3,580.08 is: 4,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.42 : 8,418.68 = 3,580.08 : x
  2. Step 2: Convert to fraction form
    6,102.42/8,418.68 = 3,580.08/x
  3. Step 3: Cross multiply
    6,102.42x = 8,418.68 × 3,580.08
  4. Step 4: Simplify right side
    6,102.42x = 30,139,529.99
  5. Step 5: Solve for x
    x = 30,139,529.99/6,102.42
  6. Step 6: Final answer
    x = 4,938.95

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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.