Home / 6,073.20-8,381.05-3,420.66

Finding the Fourth Proportional to 6,073.20, 8,381.05 and 3,420.66

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Solution

The fourth proportional to 6,073.20, 8,381.05 and 3,420.66 is: 4,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.20 : 8,381.05 = 3,420.66 : x
  2. Step 2: Convert to fraction form
    6,073.20/8,381.05 = 3,420.66/x
  3. Step 3: Cross multiply
    6,073.20x = 8,381.05 × 3,420.66
  4. Step 4: Simplify right side
    6,073.20x = 28,668,722.49
  5. Step 5: Solve for x
    x = 28,668,722.49/6,073.20
  6. Step 6: Final answer
    x = 4,720.53

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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.