Home / 6,073.05-8,380.95-3,420.54

Finding the Fourth Proportional to 6,073.05, 8,380.95 and 3,420.54

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Solution

The fourth proportional to 6,073.05, 8,380.95 and 3,420.54 is: 4,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.05 : 8,380.95 = 3,420.54 : x
  2. Step 2: Convert to fraction form
    6,073.05/8,380.95 = 3,420.54/x
  3. Step 3: Cross multiply
    6,073.05x = 8,380.95 × 3,420.54
  4. Step 4: Simplify right side
    6,073.05x = 28,667,374.71
  5. Step 5: Solve for x
    x = 28,667,374.71/6,073.05
  6. Step 6: Final answer
    x = 4,720.42

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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.