Home / 6,073.44-8,381.49-3,420.81

Finding the Fourth Proportional to 6,073.44, 8,381.49 and 3,420.81

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Solution

The fourth proportional to 6,073.44, 8,381.49 and 3,420.81 is: 4,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.44 : 8,381.49 = 3,420.81 : x
  2. Step 2: Convert to fraction form
    6,073.44/8,381.49 = 3,420.81/x
  3. Step 3: Cross multiply
    6,073.44x = 8,381.49 × 3,420.81
  4. Step 4: Simplify right side
    6,073.44x = 28,671,484.81
  5. Step 5: Solve for x
    x = 28,671,484.81/6,073.44
  6. Step 6: Final answer
    x = 4,720.80

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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.