Home / 6,072.93-8,381.33-3,420.58

Finding the Fourth Proportional to 6,072.93, 8,381.33 and 3,420.58

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Solution

The fourth proportional to 6,072.93, 8,381.33 and 3,420.58 is: 4,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,072.93 : 8,381.33 = 3,420.58 : x
  2. Step 2: Convert to fraction form
    6,072.93/8,381.33 = 3,420.58/x
  3. Step 3: Cross multiply
    6,072.93x = 8,381.33 × 3,420.58
  4. Step 4: Simplify right side
    6,072.93x = 28,669,009.77
  5. Step 5: Solve for x
    x = 28,669,009.77/6,072.93
  6. Step 6: Final answer
    x = 4,720.79

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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.